Home / 498,959.40-748,548.45-161,942.70

Finding the Fourth Proportional to 498,959.40, 748,548.45 and 161,942.70

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Solution

The fourth proportional to 498,959.40, 748,548.45 and 161,942.70 is: 242,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,959.40 : 748,548.45 = 161,942.70 : x
  2. Step 2: Convert to fraction form
    498,959.40/748,548.45 = 161,942.70/x
  3. Step 3: Cross multiply
    498,959.40x = 748,548.45 × 161,942.70
  4. Step 4: Simplify right side
    498,959.40x = 121,221,957,073.82
  5. Step 5: Solve for x
    x = 121,221,957,073.82/498,959.40
  6. Step 6: Final answer
    x = 242,949.54

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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.