Home / 206,811.04-310,308.72-108,292

Finding the Fourth Proportional to 206,811.04, 310,308.72 and 108,292

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Solution

The fourth proportional to 206,811.04, 310,308.72 and 108,292 is: 162,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,811.04 : 310,308.72 = 108,292 : x
  2. Step 2: Convert to fraction form
    206,811.04/310,308.72 = 108,292/x
  3. Step 3: Cross multiply
    206,811.04x = 310,308.72 × 108,292
  4. Step 4: Simplify right side
    206,811.04x = 33,603,951,906.24
  5. Step 5: Solve for x
    x = 33,603,951,906.24/206,811.04
  6. Step 6: Final answer
    x = 162,486.26

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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.