Home / 272,944.32-376,663.92-158,245.20

Finding the Fourth Proportional to 272,944.32, 376,663.92 and 158,245.20

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Solution

The fourth proportional to 272,944.32, 376,663.92 and 158,245.20 is: 218,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,944.32 : 376,663.92 = 158,245.20 : x
  2. Step 2: Convert to fraction form
    272,944.32/376,663.92 = 158,245.20/x
  3. Step 3: Cross multiply
    272,944.32x = 376,663.92 × 158,245.20
  4. Step 4: Simplify right side
    272,944.32x = 59,605,257,353.18
  5. Step 5: Solve for x
    x = 59,605,257,353.18/272,944.32
  6. Step 6: Final answer
    x = 218,378.82

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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.