Home / 441,170.22-661,432.71-141,480.21

Finding the Fourth Proportional to 441,170.22, 661,432.71 and 141,480.21

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Solution

The fourth proportional to 441,170.22, 661,432.71 and 141,480.21 is: 212,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,170.22 : 661,432.71 = 141,480.21 : x
  2. Step 2: Convert to fraction form
    441,170.22/661,432.71 = 141,480.21/x
  3. Step 3: Cross multiply
    441,170.22x = 661,432.71 × 141,480.21
  4. Step 4: Simplify right side
    441,170.22x = 93,579,638,711.67
  5. Step 5: Solve for x
    x = 93,579,638,711.67/441,170.22
  6. Step 6: Final answer
    x = 212,116.85

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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.