Home / 288,958.53-433,440.77-129,042.61

Finding the Fourth Proportional to 288,958.53, 433,440.77 and 129,042.61

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Solution

The fourth proportional to 288,958.53, 433,440.77 and 129,042.61 is: 193,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,958.53 : 433,440.77 = 129,042.61 : x
  2. Step 2: Convert to fraction form
    288,958.53/433,440.77 = 129,042.61/x
  3. Step 3: Cross multiply
    288,958.53x = 433,440.77 × 129,042.61
  4. Step 4: Simplify right side
    288,958.53x = 55,932,326,628.73
  5. Step 5: Solve for x
    x = 55,932,326,628.73/288,958.53
  6. Step 6: Final answer
    x = 193,565.24

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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.