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Finding the Fourth Proportional to 237,757.97, 328,139.57 and 147,143.12

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Solution

The fourth proportional to 237,757.97, 328,139.57 and 147,143.12 is: 203,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,757.97 : 328,139.57 = 147,143.12 : x
  2. Step 2: Convert to fraction form
    237,757.97/328,139.57 = 147,143.12/x
  3. Step 3: Cross multiply
    237,757.97x = 328,139.57 × 147,143.12
  4. Step 4: Simplify right side
    237,757.97x = 48,283,477,748.85
  5. Step 5: Solve for x
    x = 48,283,477,748.85/237,757.97
  6. Step 6: Final answer
    x = 203,078.27

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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.