Home / 272,925.09-409,331.25-73,198

Finding the Fourth Proportional to 272,925.09, 409,331.25 and 73,198

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Solution

The fourth proportional to 272,925.09, 409,331.25 and 73,198 is: 109,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,925.09 : 409,331.25 = 73,198 : x
  2. Step 2: Convert to fraction form
    272,925.09/409,331.25 = 73,198/x
  3. Step 3: Cross multiply
    272,925.09x = 409,331.25 × 73,198
  4. Step 4: Simplify right side
    272,925.09x = 29,962,228,837.50
  5. Step 5: Solve for x
    x = 29,962,228,837.50/272,925.09
  6. Step 6: Final answer
    x = 109,781.88

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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.