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Finding the Fourth Proportional to 487,375.38, 730,795.43 and 150,322.50

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Solution

The fourth proportional to 487,375.38, 730,795.43 and 150,322.50 is: 225,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,375.38 : 730,795.43 = 150,322.50 : x
  2. Step 2: Convert to fraction form
    487,375.38/730,795.43 = 150,322.50/x
  3. Step 3: Cross multiply
    487,375.38x = 730,795.43 × 150,322.50
  4. Step 4: Simplify right side
    487,375.38x = 109,854,996,401.98
  5. Step 5: Solve for x
    x = 109,854,996,401.98/487,375.38
  6. Step 6: Final answer
    x = 225,401.20

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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.