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Finding the Fourth Proportional to 273,447.60, 409,515.30 and 133,042.20

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Solution

The fourth proportional to 273,447.60, 409,515.30 and 133,042.20 is: 199,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,447.60 : 409,515.30 = 133,042.20 : x
  2. Step 2: Convert to fraction form
    273,447.60/409,515.30 = 133,042.20/x
  3. Step 3: Cross multiply
    273,447.60x = 409,515.30 × 133,042.20
  4. Step 4: Simplify right side
    273,447.60x = 54,482,816,445.66
  5. Step 5: Solve for x
    x = 54,482,816,445.66/273,447.60
  6. Step 6: Final answer
    x = 199,244.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.