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Finding the Fourth Proportional to 330,180.60, 495,270.90 and 80,862.60

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Solution

The fourth proportional to 330,180.60, 495,270.90 and 80,862.60 is: 121,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,180.60 : 495,270.90 = 80,862.60 : x
  2. Step 2: Convert to fraction form
    330,180.60/495,270.90 = 80,862.60/x
  3. Step 3: Cross multiply
    330,180.60x = 495,270.90 × 80,862.60
  4. Step 4: Simplify right side
    330,180.60x = 40,048,892,678.34
  5. Step 5: Solve for x
    x = 40,048,892,678.34/330,180.60
  6. Step 6: Final answer
    x = 121,293.90

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1.5x scale

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.