Home / 487,287.24-731,035.15-145,757.46

Finding the Fourth Proportional to 487,287.24, 731,035.15 and 145,757.46

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Solution

The fourth proportional to 487,287.24, 731,035.15 and 145,757.46 is: 218,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,287.24 : 731,035.15 = 145,757.46 : x
  2. Step 2: Convert to fraction form
    487,287.24/731,035.15 = 145,757.46/x
  3. Step 3: Cross multiply
    487,287.24x = 731,035.15 × 145,757.46
  4. Step 4: Simplify right side
    487,287.24x = 106,553,822,250.76
  5. Step 5: Solve for x
    x = 106,553,822,250.76/487,287.24
  6. Step 6: Final answer
    x = 218,667.38

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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.