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Finding the Fourth Proportional to 235,034, 324,346.92 and 129,050

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Solution

The fourth proportional to 235,034, 324,346.92 and 129,050 is: 178,089

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,034 : 324,346.92 = 129,050 : x
  2. Step 2: Convert to fraction form
    235,034/324,346.92 = 129,050/x
  3. Step 3: Cross multiply
    235,034x = 324,346.92 × 129,050
  4. Step 4: Simplify right side
    235,034x = 41,856,970,026
  5. Step 5: Solve for x
    x = 41,856,970,026/235,034
  6. Step 6: Final answer
    x = 178,089

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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.