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Finding the Fourth Proportional to 330,002.70, 495,004.05 and 119,613.30

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Solution

The fourth proportional to 330,002.70, 495,004.05 and 119,613.30 is: 179,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,002.70 : 495,004.05 = 119,613.30 : x
  2. Step 2: Convert to fraction form
    330,002.70/495,004.05 = 119,613.30/x
  3. Step 3: Cross multiply
    330,002.70x = 495,004.05 × 119,613.30
  4. Step 4: Simplify right side
    330,002.70x = 59,209,067,933.87
  5. Step 5: Solve for x
    x = 59,209,067,933.87/330,002.70
  6. Step 6: Final answer
    x = 179,419.95

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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.