Home / 372,288.91-513,937.17-229,171.63

Finding the Fourth Proportional to 372,288.91, 513,937.17 and 229,171.63

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Solution

The fourth proportional to 372,288.91, 513,937.17 and 229,171.63 is: 316,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,288.91 : 513,937.17 = 229,171.63 : x
  2. Step 2: Convert to fraction form
    372,288.91/513,937.17 = 229,171.63/x
  3. Step 3: Cross multiply
    372,288.91x = 513,937.17 × 229,171.63
  4. Step 4: Simplify right side
    372,288.91x = 117,779,818,966.49
  5. Step 5: Solve for x
    x = 117,779,818,966.49/372,288.91
  6. Step 6: Final answer
    x = 316,366.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.