Home / 498,103.20-747,057.60-161,062.20

Finding the Fourth Proportional to 498,103.20, 747,057.60 and 161,062.20

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Solution

The fourth proportional to 498,103.20, 747,057.60 and 161,062.20 is: 241,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,103.20 : 747,057.60 = 161,062.20 : x
  2. Step 2: Convert to fraction form
    498,103.20/747,057.60 = 161,062.20/x
  3. Step 3: Cross multiply
    498,103.20x = 747,057.60 × 161,062.20
  4. Step 4: Simplify right side
    498,103.20x = 120,322,740,582.72
  5. Step 5: Solve for x
    x = 120,322,740,582.72/498,103.20
  6. Step 6: Final answer
    x = 241,561.87

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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.