Home / 223,734.78-308,868.26-172,632.69

Finding the Fourth Proportional to 223,734.78, 308,868.26 and 172,632.69

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Solution

The fourth proportional to 223,734.78, 308,868.26 and 172,632.69 is: 238,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,734.78 : 308,868.26 = 172,632.69 : x
  2. Step 2: Convert to fraction form
    223,734.78/308,868.26 = 172,632.69/x
  3. Step 3: Cross multiply
    223,734.78x = 308,868.26 × 172,632.69
  4. Step 4: Simplify right side
    223,734.78x = 53,320,757,716.26
  5. Step 5: Solve for x
    x = 53,320,757,716.26/223,734.78
  6. Step 6: Final answer
    x = 238,321.27

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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.