Home / 272,788.13-409,182.20-83,249.46

Finding the Fourth Proportional to 272,788.13, 409,182.20 and 83,249.46

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Solution

The fourth proportional to 272,788.13, 409,182.20 and 83,249.46 is: 124,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,788.13 : 409,182.20 = 83,249.46 : x
  2. Step 2: Convert to fraction form
    272,788.13/409,182.20 = 83,249.46/x
  3. Step 3: Cross multiply
    272,788.13x = 409,182.20 × 83,249.46
  4. Step 4: Simplify right side
    272,788.13x = 34,064,196,775.36
  5. Step 5: Solve for x
    x = 34,064,196,775.36/272,788.13
  6. Step 6: Final answer
    x = 124,874.19

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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.