Home / 329,748.24-494,290.05-129,991.30

Finding the Fourth Proportional to 329,748.24, 494,290.05 and 129,991.30

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Solution

The fourth proportional to 329,748.24, 494,290.05 and 129,991.30 is: 194,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,748.24 : 494,290.05 = 129,991.30 : x
  2. Step 2: Convert to fraction form
    329,748.24/494,290.05 = 129,991.30/x
  3. Step 3: Cross multiply
    329,748.24x = 494,290.05 × 129,991.30
  4. Step 4: Simplify right side
    329,748.24x = 64,253,406,176.57
  5. Step 5: Solve for x
    x = 64,253,406,176.57/329,748.24
  6. Step 6: Final answer
    x = 194,855.95

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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.