Home / 207,731.52-311,374.92-148,387.26

Finding the Fourth Proportional to 207,731.52, 311,374.92 and 148,387.26

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Solution

The fourth proportional to 207,731.52, 311,374.92 and 148,387.26 is: 222,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,731.52 : 311,374.92 = 148,387.26 : x
  2. Step 2: Convert to fraction form
    207,731.52/311,374.92 = 148,387.26/x
  3. Step 3: Cross multiply
    207,731.52x = 311,374.92 × 148,387.26
  4. Step 4: Simplify right side
    207,731.52x = 46,204,071,211.52
  5. Step 5: Solve for x
    x = 46,204,071,211.52/207,731.52
  6. Step 6: Final answer
    x = 222,422.05

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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.