Home / 379,054.26-522,471.92-268,710.50

Finding the Fourth Proportional to 379,054.26, 522,471.92 and 268,710.50

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Solution

The fourth proportional to 379,054.26, 522,471.92 and 268,710.50 is: 370,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,054.26 : 522,471.92 = 268,710.50 : x
  2. Step 2: Convert to fraction form
    379,054.26/522,471.92 = 268,710.50/x
  3. Step 3: Cross multiply
    379,054.26x = 522,471.92 × 268,710.50
  4. Step 4: Simplify right side
    379,054.26x = 140,393,690,859.16
  5. Step 5: Solve for x
    x = 140,393,690,859.16/379,054.26
  6. Step 6: Final answer
    x = 370,378.88

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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.