Home / 372,979.95-559,957.76-221,453.66

Finding the Fourth Proportional to 372,979.95, 559,957.76 and 221,453.66

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Solution

The fourth proportional to 372,979.95, 559,957.76 and 221,453.66 is: 332,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,979.95 : 559,957.76 = 221,453.66 : x
  2. Step 2: Convert to fraction form
    372,979.95/559,957.76 = 221,453.66/x
  3. Step 3: Cross multiply
    372,979.95x = 559,957.76 × 221,453.66
  4. Step 4: Simplify right side
    372,979.95x = 124,004,691,490.35
  5. Step 5: Solve for x
    x = 124,004,691,490.35/372,979.95
  6. Step 6: Final answer
    x = 332,470.13

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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.