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Finding the Fourth Proportional to 347,177.34, 479,100.42 and 203,950.44

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Solution

The fourth proportional to 347,177.34, 479,100.42 and 203,950.44 is: 281,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,177.34 : 479,100.42 = 203,950.44 : x
  2. Step 2: Convert to fraction form
    347,177.34/479,100.42 = 203,950.44/x
  3. Step 3: Cross multiply
    347,177.34x = 479,100.42 × 203,950.44
  4. Step 4: Simplify right side
    347,177.34x = 97,712,741,463.18
  5. Step 5: Solve for x
    x = 97,712,741,463.18/347,177.34
  6. Step 6: Final answer
    x = 281,449.08

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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.