Home / 272,203.76-406,471.06-222,382.28

Finding the Fourth Proportional to 272,203.76, 406,471.06 and 222,382.28

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Solution

The fourth proportional to 272,203.76, 406,471.06 and 222,382.28 is: 332,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,203.76 : 406,471.06 = 222,382.28 : x
  2. Step 2: Convert to fraction form
    272,203.76/406,471.06 = 222,382.28/x
  3. Step 3: Cross multiply
    272,203.76x = 406,471.06 × 222,382.28
  4. Step 4: Simplify right side
    272,203.76x = 90,391,961,076.82
  5. Step 5: Solve for x
    x = 90,391,961,076.82/272,203.76
  6. Step 6: Final answer
    x = 332,074.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.