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Finding the Fourth Proportional to 237,078.62, 327,168.48 and 129,648.72

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Solution

The fourth proportional to 237,078.62, 327,168.48 and 129,648.72 is: 178,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,078.62 : 327,168.48 = 129,648.72 : x
  2. Step 2: Convert to fraction form
    237,078.62/327,168.48 = 129,648.72/x
  3. Step 3: Cross multiply
    237,078.62x = 327,168.48 × 129,648.72
  4. Step 4: Simplify right side
    237,078.62x = 42,416,974,656.35
  5. Step 5: Solve for x
    x = 42,416,974,656.35/237,078.62
  6. Step 6: Final answer
    x = 178,915.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.