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Finding the Fourth Proportional to 397,051.98, 595,600.68 and 112,720.29

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Solution

The fourth proportional to 397,051.98, 595,600.68 and 112,720.29 is: 169,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,051.98 : 595,600.68 = 112,720.29 : x
  2. Step 2: Convert to fraction form
    397,051.98/595,600.68 = 112,720.29/x
  3. Step 3: Cross multiply
    397,051.98x = 595,600.68 × 112,720.29
  4. Step 4: Simplify right side
    397,051.98x = 67,136,281,373.80
  5. Step 5: Solve for x
    x = 67,136,281,373.80/397,051.98
  6. Step 6: Final answer
    x = 169,086.88

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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.