Home / 276,738.60-415,205.10-99,251.40

Finding the Fourth Proportional to 276,738.60, 415,205.10 and 99,251.40

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Solution

The fourth proportional to 276,738.60, 415,205.10 and 99,251.40 is: 148,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,738.60 : 415,205.10 = 99,251.40 : x
  2. Step 2: Convert to fraction form
    276,738.60/415,205.10 = 99,251.40/x
  3. Step 3: Cross multiply
    276,738.60x = 415,205.10 × 99,251.40
  4. Step 4: Simplify right side
    276,738.60x = 41,209,687,462.14
  5. Step 5: Solve for x
    x = 41,209,687,462.14/276,738.60
  6. Step 6: Final answer
    x = 148,911.96

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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.