Home / 538,084.20-807,232.68-159,011.76

Finding the Fourth Proportional to 538,084.20, 807,232.68 and 159,011.76

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Solution

The fourth proportional to 538,084.20, 807,232.68 and 159,011.76 is: 238,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,084.20 : 807,232.68 = 159,011.76 : x
  2. Step 2: Convert to fraction form
    538,084.20/807,232.68 = 159,011.76/x
  3. Step 3: Cross multiply
    538,084.20x = 807,232.68 × 159,011.76
  4. Step 4: Simplify right side
    538,084.20x = 128,359,489,176.32
  5. Step 5: Solve for x
    x = 128,359,489,176.32/538,084.20
  6. Step 6: Final answer
    x = 238,549.08

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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.