Home / 275,100.04-379,640.10-179,550.28

Finding the Fourth Proportional to 275,100.04, 379,640.10 and 179,550.28

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Solution

The fourth proportional to 275,100.04, 379,640.10 and 179,550.28 is: 247,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,100.04 : 379,640.10 = 179,550.28 : x
  2. Step 2: Convert to fraction form
    275,100.04/379,640.10 = 179,550.28/x
  3. Step 3: Cross multiply
    275,100.04x = 379,640.10 × 179,550.28
  4. Step 4: Simplify right side
    275,100.04x = 68,164,486,254.23
  5. Step 5: Solve for x
    x = 68,164,486,254.23/275,100.04
  6. Step 6: Final answer
    x = 247,780.72

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1.5x scale

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.