Home / 352,481.28-486,263.04-245,306.88

Finding the Fourth Proportional to 352,481.28, 486,263.04 and 245,306.88

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Solution

The fourth proportional to 352,481.28, 486,263.04 and 245,306.88 is: 338,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,481.28 : 486,263.04 = 245,306.88 : x
  2. Step 2: Convert to fraction form
    352,481.28/486,263.04 = 245,306.88/x
  3. Step 3: Cross multiply
    352,481.28x = 486,263.04 × 245,306.88
  4. Step 4: Simplify right side
    352,481.28x = 119,283,669,201.72
  5. Step 5: Solve for x
    x = 119,283,669,201.72/352,481.28
  6. Step 6: Final answer
    x = 338,411.36

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1.5x scale

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.