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Finding the Fourth Proportional to 624,012.70, 936,019.05 and 224,715.10

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Solution

The fourth proportional to 624,012.70, 936,019.05 and 224,715.10 is: 337,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,012.70 : 936,019.05 = 224,715.10 : x
  2. Step 2: Convert to fraction form
    624,012.70/936,019.05 = 224,715.10/x
  3. Step 3: Cross multiply
    624,012.70x = 936,019.05 × 224,715.10
  4. Step 4: Simplify right side
    624,012.70x = 210,337,614,422.66
  5. Step 5: Solve for x
    x = 210,337,614,422.66/624,012.70
  6. Step 6: Final answer
    x = 337,072.65

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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.