Home / 259,007.09-388,563.38-109,247.95

Finding the Fourth Proportional to 259,007.09, 388,563.38 and 109,247.95

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Solution

The fourth proportional to 259,007.09, 388,563.38 and 109,247.95 is: 163,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,007.09 : 388,563.38 = 109,247.95 : x
  2. Step 2: Convert to fraction form
    259,007.09/388,563.38 = 109,247.95/x
  3. Step 3: Cross multiply
    259,007.09x = 388,563.38 × 109,247.95
  4. Step 4: Simplify right side
    259,007.09x = 42,449,752,011.78
  5. Step 5: Solve for x
    x = 42,449,752,011.78/259,007.09
  6. Step 6: Final answer
    x = 163,894.17

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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.