Home / 274,524.48-378,839.52-153,663.84

Finding the Fourth Proportional to 274,524.48, 378,839.52 and 153,663.84

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Solution

The fourth proportional to 274,524.48, 378,839.52 and 153,663.84 is: 212,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,524.48 : 378,839.52 = 153,663.84 : x
  2. Step 2: Convert to fraction form
    274,524.48/378,839.52 = 153,663.84/x
  3. Step 3: Cross multiply
    274,524.48x = 378,839.52 × 153,663.84
  4. Step 4: Simplify right side
    274,524.48x = 58,213,935,386.96
  5. Step 5: Solve for x
    x = 58,213,935,386.96/274,524.48
  6. Step 6: Final answer
    x = 212,053.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.