Home / 276,864.75-415,337.22-87,261.03

Finding the Fourth Proportional to 276,864.75, 415,337.22 and 87,261.03

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Solution

The fourth proportional to 276,864.75, 415,337.22 and 87,261.03 is: 130,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,864.75 : 415,337.22 = 87,261.03 : x
  2. Step 2: Convert to fraction form
    276,864.75/415,337.22 = 87,261.03/x
  3. Step 3: Cross multiply
    276,864.75x = 415,337.22 × 87,261.03
  4. Step 4: Simplify right side
    276,864.75x = 36,242,753,614.54
  5. Step 5: Solve for x
    x = 36,242,753,614.54/276,864.75
  6. Step 6: Final answer
    x = 130,904.18

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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.