Home / 272,938.48-409,351.25-73,211.38

Finding the Fourth Proportional to 272,938.48, 409,351.25 and 73,211.38

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Solution

The fourth proportional to 272,938.48, 409,351.25 and 73,211.38 is: 109,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,938.48 : 409,351.25 = 73,211.38 : x
  2. Step 2: Convert to fraction form
    272,938.48/409,351.25 = 73,211.38/x
  3. Step 3: Cross multiply
    272,938.48x = 409,351.25 × 73,211.38
  4. Step 4: Simplify right side
    272,938.48x = 29,969,169,076.88
  5. Step 5: Solve for x
    x = 29,969,169,076.88/272,938.48
  6. Step 6: Final answer
    x = 109,801.92

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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.