Home / 295,188.20-442,734.78-84,778.28

Finding the Fourth Proportional to 295,188.20, 442,734.78 and 84,778.28

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Solution

The fourth proportional to 295,188.20, 442,734.78 and 84,778.28 is: 127,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,188.20 : 442,734.78 = 84,778.28 : x
  2. Step 2: Convert to fraction form
    295,188.20/442,734.78 = 84,778.28/x
  3. Step 3: Cross multiply
    295,188.20x = 442,734.78 × 84,778.28
  4. Step 4: Simplify right side
    295,188.20x = 37,534,293,144.58
  5. Step 5: Solve for x
    x = 37,534,293,144.58/295,188.20
  6. Step 6: Final answer
    x = 127,153.77

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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.