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Finding the Fourth Proportional to 288,348.66, 432,391.23 and 88,599.42

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Solution

The fourth proportional to 288,348.66, 432,391.23 and 88,599.42 is: 132,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,348.66 : 432,391.23 = 88,599.42 : x
  2. Step 2: Convert to fraction form
    288,348.66/432,391.23 = 88,599.42/x
  3. Step 3: Cross multiply
    288,348.66x = 432,391.23 × 88,599.42
  4. Step 4: Simplify right side
    288,348.66x = 38,309,612,191.09
  5. Step 5: Solve for x
    x = 38,309,612,191.09/288,348.66
  6. Step 6: Final answer
    x = 132,858.64

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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.