Home / 329,645.30-494,487.08-127,242.55

Finding the Fourth Proportional to 329,645.30, 494,487.08 and 127,242.55

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Solution

The fourth proportional to 329,645.30, 494,487.08 and 127,242.55 is: 190,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,645.30 : 494,487.08 = 127,242.55 : x
  2. Step 2: Convert to fraction form
    329,645.30/494,487.08 = 127,242.55/x
  3. Step 3: Cross multiply
    329,645.30x = 494,487.08 × 127,242.55
  4. Step 4: Simplify right side
    329,645.30x = 62,919,794,678.82
  5. Step 5: Solve for x
    x = 62,919,794,678.82/329,645.30
  6. Step 6: Final answer
    x = 190,871.20

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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.