Home / 305,967.26-458,561.46-172,921.70

Finding the Fourth Proportional to 305,967.26, 458,561.46 and 172,921.70

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Solution

The fourth proportional to 305,967.26, 458,561.46 and 172,921.70 is: 259,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,967.26 : 458,561.46 = 172,921.70 : x
  2. Step 2: Convert to fraction form
    305,967.26/458,561.46 = 172,921.70/x
  3. Step 3: Cross multiply
    305,967.26x = 458,561.46 × 172,921.70
  4. Step 4: Simplify right side
    305,967.26x = 79,295,227,217.68
  5. Step 5: Solve for x
    x = 79,295,227,217.68/305,967.26
  6. Step 6: Final answer
    x = 259,162.46

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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.