Home / 320,863.41-442,795.01-177,625.85

Finding the Fourth Proportional to 320,863.41, 442,795.01 and 177,625.85

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Solution

The fourth proportional to 320,863.41, 442,795.01 and 177,625.85 is: 245,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,863.41 : 442,795.01 = 177,625.85 : x
  2. Step 2: Convert to fraction form
    320,863.41/442,795.01 = 177,625.85/x
  3. Step 3: Cross multiply
    320,863.41x = 442,795.01 × 177,625.85
  4. Step 4: Simplify right side
    320,863.41x = 78,651,836,924.90
  5. Step 5: Solve for x
    x = 78,651,836,924.90/320,863.41
  6. Step 6: Final answer
    x = 245,125.60

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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.