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Finding the Fourth Proportional to 344,140.92, 516,010.44 and 133,532.88

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Solution

The fourth proportional to 344,140.92, 516,010.44 and 133,532.88 is: 200,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,140.92 : 516,010.44 = 133,532.88 : x
  2. Step 2: Convert to fraction form
    344,140.92/516,010.44 = 133,532.88/x
  3. Step 3: Cross multiply
    344,140.92x = 516,010.44 × 133,532.88
  4. Step 4: Simplify right side
    344,140.92x = 68,904,360,163.27
  5. Step 5: Solve for x
    x = 68,904,360,163.27/344,140.92
  6. Step 6: Final answer
    x = 200,221.35

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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.