Home / 288,077.24-397,546.62-159,015.76

Finding the Fourth Proportional to 288,077.24, 397,546.62 and 159,015.76

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Solution

The fourth proportional to 288,077.24, 397,546.62 and 159,015.76 is: 219,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,077.24 : 397,546.62 = 159,015.76 : x
  2. Step 2: Convert to fraction form
    288,077.24/397,546.62 = 159,015.76/x
  3. Step 3: Cross multiply
    288,077.24x = 397,546.62 × 159,015.76
  4. Step 4: Simplify right side
    288,077.24x = 63,216,177,914.73
  5. Step 5: Solve for x
    x = 63,216,177,914.73/288,077.24
  6. Step 6: Final answer
    x = 219,441.76

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1.5x scale

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.