Home / 329,631.72-494,447.56-119,220.44

Finding the Fourth Proportional to 329,631.72, 494,447.56 and 119,220.44

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Solution

The fourth proportional to 329,631.72, 494,447.56 and 119,220.44 is: 178,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,631.72 : 494,447.56 = 119,220.44 : x
  2. Step 2: Convert to fraction form
    329,631.72/494,447.56 = 119,220.44/x
  3. Step 3: Cross multiply
    329,631.72x = 494,447.56 × 119,220.44
  4. Step 4: Simplify right side
    329,631.72x = 58,948,255,660.13
  5. Step 5: Solve for x
    x = 58,948,255,660.13/329,631.72
  6. Step 6: Final answer
    x = 178,830.65

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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.