Home / 274,680.28-379,016.10-153,826.60

Finding the Fourth Proportional to 274,680.28, 379,016.10 and 153,826.60

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Solution

The fourth proportional to 274,680.28, 379,016.10 and 153,826.60 is: 212,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,680.28 : 379,016.10 = 153,826.60 : x
  2. Step 2: Convert to fraction form
    274,680.28/379,016.10 = 153,826.60/x
  3. Step 3: Cross multiply
    274,680.28x = 379,016.10 × 153,826.60
  4. Step 4: Simplify right side
    274,680.28x = 58,302,758,008.26
  5. Step 5: Solve for x
    x = 58,302,758,008.26/274,680.28
  6. Step 6: Final answer
    x = 212,256.80

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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.