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Finding the Fourth Proportional to 279,452.22, 417,890.72 and 207,540.92

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Solution

The fourth proportional to 279,452.22, 417,890.72 and 207,540.92 is: 310,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,452.22 : 417,890.72 = 207,540.92 : x
  2. Step 2: Convert to fraction form
    279,452.22/417,890.72 = 207,540.92/x
  3. Step 3: Cross multiply
    279,452.22x = 417,890.72 × 207,540.92
  4. Step 4: Simplify right side
    279,452.22x = 86,729,424,488.26
  5. Step 5: Solve for x
    x = 86,729,424,488.26/279,452.22
  6. Step 6: Final answer
    x = 310,355.11

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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.