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Finding the Fourth Proportional to 303,003.60, 454,505.40 and 145,150.80

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Solution

The fourth proportional to 303,003.60, 454,505.40 and 145,150.80 is: 217,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,003.60 : 454,505.40 = 145,150.80 : x
  2. Step 2: Convert to fraction form
    303,003.60/454,505.40 = 145,150.80/x
  3. Step 3: Cross multiply
    303,003.60x = 454,505.40 × 145,150.80
  4. Step 4: Simplify right side
    303,003.60x = 65,971,822,414.32
  5. Step 5: Solve for x
    x = 65,971,822,414.32/303,003.60
  6. Step 6: Final answer
    x = 217,726.20

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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.