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Finding the Fourth Proportional to 439,635.65, 659,108.96 and 173,595.30

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Solution

The fourth proportional to 439,635.65, 659,108.96 and 173,595.30 is: 260,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,635.65 : 659,108.96 = 173,595.30 : x
  2. Step 2: Convert to fraction form
    439,635.65/659,108.96 = 173,595.30/x
  3. Step 3: Cross multiply
    439,635.65x = 659,108.96 × 173,595.30
  4. Step 4: Simplify right side
    439,635.65x = 114,418,216,775.91
  5. Step 5: Solve for x
    x = 114,418,216,775.91/439,635.65
  6. Step 6: Final answer
    x = 260,256.92

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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.