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Finding the Fourth Proportional to 372,666.59, 558,882.20 and 119,890.76

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Solution

The fourth proportional to 372,666.59, 558,882.20 and 119,890.76 is: 179,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,666.59 : 558,882.20 = 119,890.76 : x
  2. Step 2: Convert to fraction form
    372,666.59/558,882.20 = 119,890.76/x
  3. Step 3: Cross multiply
    372,666.59x = 558,882.20 × 119,890.76
  4. Step 4: Simplify right side
    372,666.59x = 67,004,808,314.61
  5. Step 5: Solve for x
    x = 67,004,808,314.61/372,666.59
  6. Step 6: Final answer
    x = 179,798.27

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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.