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Finding the Fourth Proportional to 237,763.98, 328,147.86 and 147,149.10

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Solution

The fourth proportional to 237,763.98, 328,147.86 and 147,149.10 is: 203,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,763.98 : 328,147.86 = 147,149.10 : x
  2. Step 2: Convert to fraction form
    237,763.98/328,147.86 = 147,149.10/x
  3. Step 3: Cross multiply
    237,763.98x = 328,147.86 × 147,149.10
  4. Step 4: Simplify right side
    237,763.98x = 48,286,662,265.93
  5. Step 5: Solve for x
    x = 48,286,662,265.93/237,763.98
  6. Step 6: Final answer
    x = 203,086.53

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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.