Home / 272,776.20-409,154.60-83,228.90

Finding the Fourth Proportional to 272,776.20, 409,154.60 and 83,228.90

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Solution

The fourth proportional to 272,776.20, 409,154.60 and 83,228.90 is: 124,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,776.20 : 409,154.60 = 83,228.90 : x
  2. Step 2: Convert to fraction form
    272,776.20/409,154.60 = 83,228.90/x
  3. Step 3: Cross multiply
    272,776.20x = 409,154.60 × 83,228.90
  4. Step 4: Simplify right side
    272,776.20x = 34,053,487,287.94
  5. Step 5: Solve for x
    x = 34,053,487,287.94/272,776.20
  6. Step 6: Final answer
    x = 124,840.39

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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.