Home / 272,956.32-376,680.48-158,257.20

Finding the Fourth Proportional to 272,956.32, 376,680.48 and 158,257.20

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Solution

The fourth proportional to 272,956.32, 376,680.48 and 158,257.20 is: 218,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,956.32 : 376,680.48 = 158,257.20 : x
  2. Step 2: Convert to fraction form
    272,956.32/376,680.48 = 158,257.20/x
  3. Step 3: Cross multiply
    272,956.32x = 376,680.48 × 158,257.20
  4. Step 4: Simplify right side
    272,956.32x = 59,612,398,059.46
  5. Step 5: Solve for x
    x = 59,612,398,059.46/272,956.32
  6. Step 6: Final answer
    x = 218,395.38

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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.