Home / 258,041.35-387,061.62-169,273.72

Finding the Fourth Proportional to 258,041.35, 387,061.62 and 169,273.72

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Solution

The fourth proportional to 258,041.35, 387,061.62 and 169,273.72 is: 253,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,041.35 : 387,061.62 = 169,273.72 : x
  2. Step 2: Convert to fraction form
    258,041.35/387,061.62 = 169,273.72/x
  3. Step 3: Cross multiply
    258,041.35x = 387,061.62 × 169,273.72
  4. Step 4: Simplify right side
    258,041.35x = 65,519,360,286.63
  5. Step 5: Solve for x
    x = 65,519,360,286.63/258,041.35
  6. Step 6: Final answer
    x = 253,910.31

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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.