Home / 511,105.95-766,631.18-156,092.27

Finding the Fourth Proportional to 511,105.95, 766,631.18 and 156,092.27

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Solution

The fourth proportional to 511,105.95, 766,631.18 and 156,092.27 is: 234,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,105.95 : 766,631.18 = 156,092.27 : x
  2. Step 2: Convert to fraction form
    511,105.95/766,631.18 = 156,092.27/x
  3. Step 3: Cross multiply
    511,105.95x = 766,631.18 × 156,092.27
  4. Step 4: Simplify right side
    511,105.95x = 119,665,197,696.05
  5. Step 5: Solve for x
    x = 119,665,197,696.05/511,105.95
  6. Step 6: Final answer
    x = 234,129.92

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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.