Home / 311,932.90-467,899.40-75,275.58

Finding the Fourth Proportional to 311,932.90, 467,899.40 and 75,275.58

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Solution

The fourth proportional to 311,932.90, 467,899.40 and 75,275.58 is: 112,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,932.90 : 467,899.40 = 75,275.58 : x
  2. Step 2: Convert to fraction form
    311,932.90/467,899.40 = 75,275.58/x
  3. Step 3: Cross multiply
    311,932.90x = 467,899.40 × 75,275.58
  4. Step 4: Simplify right side
    311,932.90x = 35,221,398,716.65
  5. Step 5: Solve for x
    x = 35,221,398,716.65/311,932.90
  6. Step 6: Final answer
    x = 112,913.38

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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.