Home / 218,915.64-327,781.20-113,513.04

Finding the Fourth Proportional to 218,915.64, 327,781.20 and 113,513.04

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Solution

The fourth proportional to 218,915.64, 327,781.20 and 113,513.04 is: 169,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,915.64 : 327,781.20 = 113,513.04 : x
  2. Step 2: Convert to fraction form
    218,915.64/327,781.20 = 113,513.04/x
  3. Step 3: Cross multiply
    218,915.64x = 327,781.20 × 113,513.04
  4. Step 4: Simplify right side
    218,915.64x = 37,207,440,466.85
  5. Step 5: Solve for x
    x = 37,207,440,466.85/218,915.64
  6. Step 6: Final answer
    x = 169,962.46

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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.