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Finding the Fourth Proportional to 273,387.10, 410,080.65 and 168,265.30

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Solution

The fourth proportional to 273,387.10, 410,080.65 and 168,265.30 is: 252,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,387.10 : 410,080.65 = 168,265.30 : x
  2. Step 2: Convert to fraction form
    273,387.10/410,080.65 = 168,265.30/x
  3. Step 3: Cross multiply
    273,387.10x = 410,080.65 × 168,265.30
  4. Step 4: Simplify right side
    273,387.10x = 69,002,343,596.45
  5. Step 5: Solve for x
    x = 69,002,343,596.45/273,387.10
  6. Step 6: Final answer
    x = 252,397.95

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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.