Home / 354,974.73-532,719.02-138,865.34

Finding the Fourth Proportional to 354,974.73, 532,719.02 and 138,865.34

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Solution

The fourth proportional to 354,974.73, 532,719.02 and 138,865.34 is: 208,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,974.73 : 532,719.02 = 138,865.34 : x
  2. Step 2: Convert to fraction form
    354,974.73/532,719.02 = 138,865.34/x
  3. Step 3: Cross multiply
    354,974.73x = 532,719.02 × 138,865.34
  4. Step 4: Simplify right side
    354,974.73x = 73,976,204,478.85
  5. Step 5: Solve for x
    x = 73,976,204,478.85/354,974.73
  6. Step 6: Final answer
    x = 208,398.51

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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.