Home / 527,221.17-790,956.90-172,234.62

Finding the Fourth Proportional to 527,221.17, 790,956.90 and 172,234.62

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Solution

The fourth proportional to 527,221.17, 790,956.90 and 172,234.62 is: 258,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,221.17 : 790,956.90 = 172,234.62 : x
  2. Step 2: Convert to fraction form
    527,221.17/790,956.90 = 172,234.62/x
  3. Step 3: Cross multiply
    527,221.17x = 790,956.90 × 172,234.62
  4. Step 4: Simplify right side
    527,221.17x = 136,230,161,107.88
  5. Step 5: Solve for x
    x = 136,230,161,107.88/527,221.17
  6. Step 6: Final answer
    x = 258,392.81

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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.