Home / 275,610.06-380,363.85-154,759.41

Finding the Fourth Proportional to 275,610.06, 380,363.85 and 154,759.41

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Solution

The fourth proportional to 275,610.06, 380,363.85 and 154,759.41 is: 213,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,610.06 : 380,363.85 = 154,759.41 : x
  2. Step 2: Convert to fraction form
    275,610.06/380,363.85 = 154,759.41/x
  3. Step 3: Cross multiply
    275,610.06x = 380,363.85 × 154,759.41
  4. Step 4: Simplify right side
    275,610.06x = 58,864,885,011.33
  5. Step 5: Solve for x
    x = 58,864,885,011.33/275,610.06
  6. Step 6: Final answer
    x = 213,580.32

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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.