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Finding the Fourth Proportional to 373,475.27, 561,041.54 and 231,425.57

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Solution

The fourth proportional to 373,475.27, 561,041.54 and 231,425.57 is: 347,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,475.27 : 561,041.54 = 231,425.57 : x
  2. Step 2: Convert to fraction form
    373,475.27/561,041.54 = 231,425.57/x
  3. Step 3: Cross multiply
    373,475.27x = 561,041.54 × 231,425.57
  4. Step 4: Simplify right side
    373,475.27x = 129,839,359,301.50
  5. Step 5: Solve for x
    x = 129,839,359,301.50/373,475.27
  6. Step 6: Final answer
    x = 347,651.82

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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.