Home / 658,144.08-987,216.03-159,508.08

Finding the Fourth Proportional to 658,144.08, 987,216.03 and 159,508.08

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Solution

The fourth proportional to 658,144.08, 987,216.03 and 159,508.08 is: 239,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,144.08 : 987,216.03 = 159,508.08 : x
  2. Step 2: Convert to fraction form
    658,144.08/987,216.03 = 159,508.08/x
  3. Step 3: Cross multiply
    658,144.08x = 987,216.03 × 159,508.08
  4. Step 4: Simplify right side
    658,144.08x = 157,468,933,490.52
  5. Step 5: Solve for x
    x = 157,468,933,490.52/658,144.08
  6. Step 6: Final answer
    x = 239,262.10

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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.