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Finding the Fourth Proportional to 442,060.28, 610,034.92 and 245,838.79

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Solution

The fourth proportional to 442,060.28, 610,034.92 and 245,838.79 is: 339,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,060.28 : 610,034.92 = 245,838.79 : x
  2. Step 2: Convert to fraction form
    442,060.28/610,034.92 = 245,838.79/x
  3. Step 3: Cross multiply
    442,060.28x = 610,034.92 × 245,838.79
  4. Step 4: Simplify right side
    442,060.28x = 149,970,244,450.86
  5. Step 5: Solve for x
    x = 149,970,244,450.86/442,060.28
  6. Step 6: Final answer
    x = 339,252.93

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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.