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Finding the Fourth Proportional to 285,371.24, 393,807.48 and 158,044.10

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Solution

The fourth proportional to 285,371.24, 393,807.48 and 158,044.10 is: 218,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,371.24 : 393,807.48 = 158,044.10 : x
  2. Step 2: Convert to fraction form
    285,371.24/393,807.48 = 158,044.10/x
  3. Step 3: Cross multiply
    285,371.24x = 393,807.48 × 158,044.10
  4. Step 4: Simplify right side
    285,371.24x = 62,238,948,749.87
  5. Step 5: Solve for x
    x = 62,238,948,749.87/285,371.24
  6. Step 6: Final answer
    x = 218,098.18

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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.