Home / 352,449.08-486,380.18-191,304.12

Finding the Fourth Proportional to 352,449.08, 486,380.18 and 191,304.12

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Solution

The fourth proportional to 352,449.08, 486,380.18 and 191,304.12 is: 263,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,449.08 : 486,380.18 = 191,304.12 : x
  2. Step 2: Convert to fraction form
    352,449.08/486,380.18 = 191,304.12/x
  3. Step 3: Cross multiply
    352,449.08x = 486,380.18 × 191,304.12
  4. Step 4: Simplify right side
    352,449.08x = 93,046,532,320.34
  5. Step 5: Solve for x
    x = 93,046,532,320.34/352,449.08
  6. Step 6: Final answer
    x = 263,999.93

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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.