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Finding the Fourth Proportional to 330,177.87, 495,263.57 and 105,535.71

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Solution

The fourth proportional to 330,177.87, 495,263.57 and 105,535.71 is: 158,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,177.87 : 495,263.57 = 105,535.71 : x
  2. Step 2: Convert to fraction form
    330,177.87/495,263.57 = 105,535.71/x
  3. Step 3: Cross multiply
    330,177.87x = 495,263.57 × 105,535.71
  4. Step 4: Simplify right side
    330,177.87x = 52,267,991,969.41
  5. Step 5: Solve for x
    x = 52,267,991,969.41/330,177.87
  6. Step 6: Final answer
    x = 158,302.53

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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.