Home / 274,654.28-379,055.26-153,772.21

Finding the Fourth Proportional to 274,654.28, 379,055.26 and 153,772.21

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Solution

The fourth proportional to 274,654.28, 379,055.26 and 153,772.21 is: 212,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,654.28 : 379,055.26 = 153,772.21 : x
  2. Step 2: Convert to fraction form
    274,654.28/379,055.26 = 153,772.21/x
  3. Step 3: Cross multiply
    274,654.28x = 379,055.26 × 153,772.21
  4. Step 4: Simplify right side
    274,654.28x = 58,288,165,042.32
  5. Step 5: Solve for x
    x = 58,288,165,042.32/274,654.28
  6. Step 6: Final answer
    x = 212,223.76

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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.