Home / 527,133.27-790,748.49-172,149.15

Finding the Fourth Proportional to 527,133.27, 790,748.49 and 172,149.15

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Solution

The fourth proportional to 527,133.27, 790,748.49 and 172,149.15 is: 258,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,133.27 : 790,748.49 = 172,149.15 : x
  2. Step 2: Convert to fraction form
    527,133.27/790,748.49 = 172,149.15/x
  3. Step 3: Cross multiply
    527,133.27x = 790,748.49 × 172,149.15
  4. Step 4: Simplify right side
    527,133.27x = 136,126,680,417.28
  5. Step 5: Solve for x
    x = 136,126,680,417.28/527,133.27
  6. Step 6: Final answer
    x = 258,239.59

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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.