Home / 311,551.29-467,127.28-131,587.95

Finding the Fourth Proportional to 311,551.29, 467,127.28 and 131,587.95

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Solution

The fourth proportional to 311,551.29, 467,127.28 and 131,587.95 is: 197,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,551.29 : 467,127.28 = 131,587.95 : x
  2. Step 2: Convert to fraction form
    311,551.29/467,127.28 = 131,587.95/x
  3. Step 3: Cross multiply
    311,551.29x = 467,127.28 × 131,587.95
  4. Step 4: Simplify right side
    311,551.29x = 61,468,321,164.28
  5. Step 5: Solve for x
    x = 61,468,321,164.28/311,551.29
  6. Step 6: Final answer
    x = 197,297.60

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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.