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Finding the Fourth Proportional to 273,316.90, 410,052.15 and 133,080.10

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Solution

The fourth proportional to 273,316.90, 410,052.15 and 133,080.10 is: 199,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,316.90 : 410,052.15 = 133,080.10 : x
  2. Step 2: Convert to fraction form
    273,316.90/410,052.15 = 133,080.10/x
  3. Step 3: Cross multiply
    273,316.90x = 410,052.15 × 133,080.10
  4. Step 4: Simplify right side
    273,316.90x = 54,569,781,127.22
  5. Step 5: Solve for x
    x = 54,569,781,127.22/273,316.90
  6. Step 6: Final answer
    x = 199,657.54

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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.