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Finding the Fourth Proportional to 234,145.79, 351,218.19 and 180,915.12

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Solution

The fourth proportional to 234,145.79, 351,218.19 and 180,915.12 is: 271,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,145.79 : 351,218.19 = 180,915.12 : x
  2. Step 2: Convert to fraction form
    234,145.79/351,218.19 = 180,915.12/x
  3. Step 3: Cross multiply
    234,145.79x = 351,218.19 × 180,915.12
  4. Step 4: Simplify right side
    234,145.79x = 63,540,681,668.46
  5. Step 5: Solve for x
    x = 63,540,681,668.46/234,145.79
  6. Step 6: Final answer
    x = 271,372.30

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1.5x scale

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.