Home / 252,868.72-379,302.96-75,371.20

Finding the Fourth Proportional to 252,868.72, 379,302.96 and 75,371.20

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Solution

The fourth proportional to 252,868.72, 379,302.96 and 75,371.20 is: 113,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,868.72 : 379,302.96 = 75,371.20 : x
  2. Step 2: Convert to fraction form
    252,868.72/379,302.96 = 75,371.20/x
  3. Step 3: Cross multiply
    252,868.72x = 379,302.96 × 75,371.20
  4. Step 4: Simplify right side
    252,868.72x = 28,588,519,258.75
  5. Step 5: Solve for x
    x = 28,588,519,258.75/252,868.72
  6. Step 6: Final answer
    x = 113,056.76

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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.