Home / 329,513.20-494,082.42-129,725.38

Finding the Fourth Proportional to 329,513.20, 494,082.42 and 129,725.38

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Solution

The fourth proportional to 329,513.20, 494,082.42 and 129,725.38 is: 194,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,513.20 : 494,082.42 = 129,725.38 : x
  2. Step 2: Convert to fraction form
    329,513.20/494,082.42 = 129,725.38/x
  3. Step 3: Cross multiply
    329,513.20x = 494,082.42 × 129,725.38
  4. Step 4: Simplify right side
    329,513.20x = 64,095,029,685.82
  5. Step 5: Solve for x
    x = 64,095,029,685.82/329,513.20
  6. Step 6: Final answer
    x = 194,514.30

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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.