Home / 279,471.04-418,976.64-159,393.28

Finding the Fourth Proportional to 279,471.04, 418,976.64 and 159,393.28

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Solution

The fourth proportional to 279,471.04, 418,976.64 and 159,393.28 is: 238,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,471.04 : 418,976.64 = 159,393.28 : x
  2. Step 2: Convert to fraction form
    279,471.04/418,976.64 = 159,393.28/x
  3. Step 3: Cross multiply
    279,471.04x = 418,976.64 × 159,393.28
  4. Step 4: Simplify right side
    279,471.04x = 66,782,060,892.98
  5. Step 5: Solve for x
    x = 66,782,060,892.98/279,471.04
  6. Step 6: Final answer
    x = 238,958.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.