Home / 238,521.92-357,828.24-80,708

Finding the Fourth Proportional to 238,521.92, 357,828.24 and 80,708

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Solution

The fourth proportional to 238,521.92, 357,828.24 and 80,708 is: 121,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,521.92 : 357,828.24 = 80,708 : x
  2. Step 2: Convert to fraction form
    238,521.92/357,828.24 = 80,708/x
  3. Step 3: Cross multiply
    238,521.92x = 357,828.24 × 80,708
  4. Step 4: Simplify right side
    238,521.92x = 28,879,601,593.92
  5. Step 5: Solve for x
    x = 28,879,601,593.92/238,521.92
  6. Step 6: Final answer
    x = 121,077.35

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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.