Home / 287,835.24-431,753.92-88,154.84

Finding the Fourth Proportional to 287,835.24, 431,753.92 and 88,154.84

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Solution

The fourth proportional to 287,835.24, 431,753.92 and 88,154.84 is: 132,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,835.24 : 431,753.92 = 88,154.84 : x
  2. Step 2: Convert to fraction form
    287,835.24/431,753.92 = 88,154.84/x
  3. Step 3: Cross multiply
    287,835.24x = 431,753.92 × 88,154.84
  4. Step 4: Simplify right side
    287,835.24x = 38,061,197,736.97
  5. Step 5: Solve for x
    x = 38,061,197,736.97/287,835.24
  6. Step 6: Final answer
    x = 132,232.58

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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.