Home / 276,689.05-415,586.70-267,609.35

Finding the Fourth Proportional to 276,689.05, 415,586.70 and 267,609.35

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Solution

The fourth proportional to 276,689.05, 415,586.70 and 267,609.35 is: 401,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,689.05 : 415,586.70 = 267,609.35 : x
  2. Step 2: Convert to fraction form
    276,689.05/415,586.70 = 267,609.35/x
  3. Step 3: Cross multiply
    276,689.05x = 415,586.70 × 267,609.35
  4. Step 4: Simplify right side
    276,689.05x = 111,214,887,694.61
  5. Step 5: Solve for x
    x = 111,214,887,694.61/276,689.05
  6. Step 6: Final answer
    x = 401,949.01

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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.