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Finding the Fourth Proportional to 624,303.40, 936,455.10 and 224,957.20

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Solution

The fourth proportional to 624,303.40, 936,455.10 and 224,957.20 is: 337,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,303.40 : 936,455.10 = 224,957.20 : x
  2. Step 2: Convert to fraction form
    624,303.40/936,455.10 = 224,957.20/x
  3. Step 3: Cross multiply
    624,303.40x = 936,455.10 × 224,957.20
  4. Step 4: Simplify right side
    624,303.40x = 210,662,317,221.72
  5. Step 5: Solve for x
    x = 210,662,317,221.72/624,303.40
  6. Step 6: Final answer
    x = 337,435.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.