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Finding the Fourth Proportional to 330,010.80, 495,016.20 and 195,291.60

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Solution

The fourth proportional to 330,010.80, 495,016.20 and 195,291.60 is: 292,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,010.80 : 495,016.20 = 195,291.60 : x
  2. Step 2: Convert to fraction form
    330,010.80/495,016.20 = 195,291.60/x
  3. Step 3: Cross multiply
    330,010.80x = 495,016.20 × 195,291.60
  4. Step 4: Simplify right side
    330,010.80x = 96,672,505,723.92
  5. Step 5: Solve for x
    x = 96,672,505,723.92/330,010.80
  6. Step 6: Final answer
    x = 292,937.40

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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.