Home / 247,175.67-341,105.12-145,205.43

Finding the Fourth Proportional to 247,175.67, 341,105.12 and 145,205.43

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Solution

The fourth proportional to 247,175.67, 341,105.12 and 145,205.43 is: 200,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,175.67 : 341,105.12 = 145,205.43 : x
  2. Step 2: Convert to fraction form
    247,175.67/341,105.12 = 145,205.43/x
  3. Step 3: Cross multiply
    247,175.67x = 341,105.12 × 145,205.43
  4. Step 4: Simplify right side
    247,175.67x = 49,530,315,688.17
  5. Step 5: Solve for x
    x = 49,530,315,688.17/247,175.67
  6. Step 6: Final answer
    x = 200,385.07

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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.