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Finding the Fourth Proportional to 159,491.91, 239,229.91 and 59,644.77

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Solution

The fourth proportional to 159,491.91, 239,229.91 and 59,644.77 is: 89,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,491.91 : 239,229.91 = 59,644.77 : x
  2. Step 2: Convert to fraction form
    159,491.91/239,229.91 = 59,644.77/x
  3. Step 3: Cross multiply
    159,491.91x = 239,229.91 × 59,644.77
  4. Step 4: Simplify right side
    159,491.91x = 14,268,812,959.07
  5. Step 5: Solve for x
    x = 14,268,812,959.07/159,491.91
  6. Step 6: Final answer
    x = 89,464.18

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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.