Home / 286,981.22-396,049.84-159,654.08

Finding the Fourth Proportional to 286,981.22, 396,049.84 and 159,654.08

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Solution

The fourth proportional to 286,981.22, 396,049.84 and 159,654.08 is: 220,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,981.22 : 396,049.84 = 159,654.08 : x
  2. Step 2: Convert to fraction form
    286,981.22/396,049.84 = 159,654.08/x
  3. Step 3: Cross multiply
    286,981.22x = 396,049.84 × 159,654.08
  4. Step 4: Simplify right side
    286,981.22x = 63,230,972,839.35
  5. Step 5: Solve for x
    x = 63,230,972,839.35/286,981.22
  6. Step 6: Final answer
    x = 220,331.40

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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.