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Finding the Fourth Proportional to 330,156.66, 495,256.06 and 93,517.60

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Solution

The fourth proportional to 330,156.66, 495,256.06 and 93,517.60 is: 140,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,156.66 : 495,256.06 = 93,517.60 : x
  2. Step 2: Convert to fraction form
    330,156.66/495,256.06 = 93,517.60/x
  3. Step 3: Cross multiply
    330,156.66x = 495,256.06 × 93,517.60
  4. Step 4: Simplify right side
    330,156.66x = 46,315,158,116.66
  5. Step 5: Solve for x
    x = 46,315,158,116.66/330,156.66
  6. Step 6: Final answer
    x = 140,282.37

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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.