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Finding the Fourth Proportional to 330,269.40, 495,306.86 and 93,632.76

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Solution

The fourth proportional to 330,269.40, 495,306.86 and 93,632.76 is: 140,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,269.40 : 495,306.86 = 93,632.76 : x
  2. Step 2: Convert to fraction form
    330,269.40/495,306.86 = 93,632.76/x
  3. Step 3: Cross multiply
    330,269.40x = 495,306.86 × 93,632.76
  4. Step 4: Simplify right side
    330,269.40x = 46,376,948,348.73
  5. Step 5: Solve for x
    x = 46,376,948,348.73/330,269.40
  6. Step 6: Final answer
    x = 140,421.57

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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.