Home / 276,722.20-415,083.30-99,247.15

Finding the Fourth Proportional to 276,722.20, 415,083.30 and 99,247.15

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Solution

The fourth proportional to 276,722.20, 415,083.30 and 99,247.15 is: 148,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,722.20 : 415,083.30 = 99,247.15 : x
  2. Step 2: Convert to fraction form
    276,722.20/415,083.30 = 99,247.15/x
  3. Step 3: Cross multiply
    276,722.20x = 415,083.30 × 99,247.15
  4. Step 4: Simplify right side
    276,722.20x = 41,195,834,537.60
  5. Step 5: Solve for x
    x = 41,195,834,537.60/276,722.20
  6. Step 6: Final answer
    x = 148,870.73

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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.