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Finding the Fourth Proportional to 330,197.32, 495,295.98 and 119,834.92

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Solution

The fourth proportional to 330,197.32, 495,295.98 and 119,834.92 is: 179,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,197.32 : 495,295.98 = 119,834.92 : x
  2. Step 2: Convert to fraction form
    330,197.32/495,295.98 = 119,834.92/x
  3. Step 3: Cross multiply
    330,197.32x = 495,295.98 × 119,834.92
  4. Step 4: Simplify right side
    330,197.32x = 59,353,754,139.62
  5. Step 5: Solve for x
    x = 59,353,754,139.62/330,197.32
  6. Step 6: Final answer
    x = 179,752.38

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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.