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Finding the Fourth Proportional to 372,481.17, 514,014.17 and 202,711.65

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Solution

The fourth proportional to 372,481.17, 514,014.17 and 202,711.65 is: 279,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,481.17 : 514,014.17 = 202,711.65 : x
  2. Step 2: Convert to fraction form
    372,481.17/514,014.17 = 202,711.65/x
  3. Step 3: Cross multiply
    372,481.17x = 514,014.17 × 202,711.65
  4. Step 4: Simplify right side
    372,481.17x = 104,196,659,510.52
  5. Step 5: Solve for x
    x = 104,196,659,510.52/372,481.17
  6. Step 6: Final answer
    x = 279,736.72

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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.