Home / 498,278.06-747,535.40-161,318.77

Finding the Fourth Proportional to 498,278.06, 747,535.40 and 161,318.77

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Solution

The fourth proportional to 498,278.06, 747,535.40 and 161,318.77 is: 242,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,278.06 : 747,535.40 = 161,318.77 : x
  2. Step 2: Convert to fraction form
    498,278.06/747,535.40 = 161,318.77/x
  3. Step 3: Cross multiply
    498,278.06x = 747,535.40 × 161,318.77
  4. Step 4: Simplify right side
    498,278.06x = 120,591,491,259.46
  5. Step 5: Solve for x
    x = 120,591,491,259.46/498,278.06
  6. Step 6: Final answer
    x = 242,016.46

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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.