Home / 272,775.20-409,153.10-83,227.90

Finding the Fourth Proportional to 272,775.20, 409,153.10 and 83,227.90

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Solution

The fourth proportional to 272,775.20, 409,153.10 and 83,227.90 is: 124,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,775.20 : 409,153.10 = 83,227.90 : x
  2. Step 2: Convert to fraction form
    272,775.20/409,153.10 = 83,227.90/x
  3. Step 3: Cross multiply
    272,775.20x = 409,153.10 × 83,227.90
  4. Step 4: Simplify right side
    272,775.20x = 34,052,953,291.49
  5. Step 5: Solve for x
    x = 34,052,953,291.49/272,775.20
  6. Step 6: Final answer
    x = 124,838.89

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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.