Home / 154,438.40-231,679.68-49,258.56

Finding the Fourth Proportional to 154,438.40, 231,679.68 and 49,258.56

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Solution

The fourth proportional to 154,438.40, 231,679.68 and 49,258.56 is: 73,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,438.40 : 231,679.68 = 49,258.56 : x
  2. Step 2: Convert to fraction form
    154,438.40/231,679.68 = 49,258.56/x
  3. Step 3: Cross multiply
    154,438.40x = 231,679.68 × 49,258.56
  4. Step 4: Simplify right side
    154,438.40x = 11,412,207,418.06
  5. Step 5: Solve for x
    x = 11,412,207,418.06/154,438.40
  6. Step 6: Final answer
    x = 73,894.88

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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.