Home / 274,827.29-379,257.03-153,968.18

Finding the Fourth Proportional to 274,827.29, 379,257.03 and 153,968.18

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Solution

The fourth proportional to 274,827.29, 379,257.03 and 153,968.18 is: 212,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,827.29 : 379,257.03 = 153,968.18 : x
  2. Step 2: Convert to fraction form
    274,827.29/379,257.03 = 153,968.18/x
  3. Step 3: Cross multiply
    274,827.29x = 379,257.03 × 153,968.18
  4. Step 4: Simplify right side
    274,827.29x = 58,393,512,765.02
  5. Step 5: Solve for x
    x = 58,393,512,765.02/274,827.29
  6. Step 6: Final answer
    x = 212,473.49

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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.