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Finding the Fourth Proportional to 485,298.33, 669,716.58 and 267,514.75

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Solution

The fourth proportional to 485,298.33, 669,716.58 and 267,514.75 is: 369,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,298.33 : 669,716.58 = 267,514.75 : x
  2. Step 2: Convert to fraction form
    485,298.33/669,716.58 = 267,514.75/x
  3. Step 3: Cross multiply
    485,298.33x = 669,716.58 × 267,514.75
  4. Step 4: Simplify right side
    485,298.33x = 179,159,063,469.56
  5. Step 5: Solve for x
    x = 179,159,063,469.56/485,298.33
  6. Step 6: Final answer
    x = 369,173.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.