Home / 268,876.05-371,042.40-148,016.35

Finding the Fourth Proportional to 268,876.05, 371,042.40 and 148,016.35

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Solution

The fourth proportional to 268,876.05, 371,042.40 and 148,016.35 is: 204,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,876.05 : 371,042.40 = 148,016.35 : x
  2. Step 2: Convert to fraction form
    268,876.05/371,042.40 = 148,016.35/x
  3. Step 3: Cross multiply
    268,876.05x = 371,042.40 × 148,016.35
  4. Step 4: Simplify right side
    268,876.05x = 54,920,341,743.24
  5. Step 5: Solve for x
    x = 54,920,341,743.24/268,876.05
  6. Step 6: Final answer
    x = 204,258.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.