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Finding the Fourth Proportional to 373,726.60, 560,764.86 and 163,337.20

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Solution

The fourth proportional to 373,726.60, 560,764.86 and 163,337.20 is: 245,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,726.60 : 560,764.86 = 163,337.20 : x
  2. Step 2: Convert to fraction form
    373,726.60/560,764.86 = 163,337.20/x
  3. Step 3: Cross multiply
    373,726.60x = 560,764.86 × 163,337.20
  4. Step 4: Simplify right side
    373,726.60x = 91,593,762,090.79
  5. Step 5: Solve for x
    x = 91,593,762,090.79/373,726.60
  6. Step 6: Final answer
    x = 245,082.27

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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.