Home / 259,223.12-387,910.80-179,277.32

Finding the Fourth Proportional to 259,223.12, 387,910.80 and 179,277.32

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Solution

The fourth proportional to 259,223.12, 387,910.80 and 179,277.32 is: 268,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,223.12 : 387,910.80 = 179,277.32 : x
  2. Step 2: Convert to fraction form
    259,223.12/387,910.80 = 179,277.32/x
  3. Step 3: Cross multiply
    259,223.12x = 387,910.80 × 179,277.32
  4. Step 4: Simplify right side
    259,223.12x = 69,543,608,623.06
  5. Step 5: Solve for x
    x = 69,543,608,623.06/259,223.12
  6. Step 6: Final answer
    x = 268,277.03

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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.