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Finding the Fourth Proportional to 437,513.40, 656,561.70 and 200,734.20

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Solution

The fourth proportional to 437,513.40, 656,561.70 and 200,734.20 is: 301,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,513.40 : 656,561.70 = 200,734.20 : x
  2. Step 2: Convert to fraction form
    437,513.40/656,561.70 = 200,734.20/x
  3. Step 3: Cross multiply
    437,513.40x = 656,561.70 × 200,734.20
  4. Step 4: Simplify right side
    437,513.40x = 131,794,387,600.14
  5. Step 5: Solve for x
    x = 131,794,387,600.14/437,513.40
  6. Step 6: Final answer
    x = 301,235.09

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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.