Home / 276,946.11-415,489.20-77,266.41

Finding the Fourth Proportional to 276,946.11, 415,489.20 and 77,266.41

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Solution

The fourth proportional to 276,946.11, 415,489.20 and 77,266.41 is: 115,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,946.11 : 415,489.20 = 77,266.41 : x
  2. Step 2: Convert to fraction form
    276,946.11/415,489.20 = 77,266.41/x
  3. Step 3: Cross multiply
    276,946.11x = 415,489.20 × 77,266.41
  4. Step 4: Simplify right side
    276,946.11x = 32,103,357,029.94
  5. Step 5: Solve for x
    x = 32,103,357,029.94/276,946.11
  6. Step 6: Final answer
    x = 115,919.15

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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.