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Finding the Fourth Proportional to 303,003.60, 454,505.40 and 103,549.20

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Solution

The fourth proportional to 303,003.60, 454,505.40 and 103,549.20 is: 155,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,003.60 : 454,505.40 = 103,549.20 : x
  2. Step 2: Convert to fraction form
    303,003.60/454,505.40 = 103,549.20/x
  3. Step 3: Cross multiply
    303,003.60x = 454,505.40 × 103,549.20
  4. Step 4: Simplify right side
    303,003.60x = 47,063,670,565.68
  5. Step 5: Solve for x
    x = 47,063,670,565.68/303,003.60
  6. Step 6: Final answer
    x = 155,323.80

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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.