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Finding the Fourth Proportional to 624,132.20, 936,198.30 and 624,132.20

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Solution

The fourth proportional to 624,132.20, 936,198.30 and 624,132.20 is: 936,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,132.20 : 936,198.30 = 624,132.20 : x
  2. Step 2: Convert to fraction form
    624,132.20/936,198.30 = 624,132.20/x
  3. Step 3: Cross multiply
    624,132.20x = 936,198.30 × 624,132.20
  4. Step 4: Simplify right side
    624,132.20x = 584,311,504,615.26
  5. Step 5: Solve for x
    x = 584,311,504,615.26/624,132.20
  6. Step 6: Final answer
    x = 936,198.30

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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.