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Finding the Fourth Proportional to 229,700.64, 344,550.96 and 71,941.44

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Solution

The fourth proportional to 229,700.64, 344,550.96 and 71,941.44 is: 107,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,700.64 : 344,550.96 = 71,941.44 : x
  2. Step 2: Convert to fraction form
    229,700.64/344,550.96 = 71,941.44/x
  3. Step 3: Cross multiply
    229,700.64x = 344,550.96 × 71,941.44
  4. Step 4: Simplify right side
    229,700.64x = 24,787,492,215.78
  5. Step 5: Solve for x
    x = 24,787,492,215.78/229,700.64
  6. Step 6: Final answer
    x = 107,912.16

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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.