Home / 258,014.46-386,020.26-226,185.06

Finding the Fourth Proportional to 258,014.46, 386,020.26 and 226,185.06

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Solution

The fourth proportional to 258,014.46, 386,020.26 and 226,185.06 is: 338,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,014.46 : 386,020.26 = 226,185.06 : x
  2. Step 2: Convert to fraction form
    258,014.46/386,020.26 = 226,185.06/x
  3. Step 3: Cross multiply
    258,014.46x = 386,020.26 × 226,185.06
  4. Step 4: Simplify right side
    258,014.46x = 87,312,015,669.32
  5. Step 5: Solve for x
    x = 87,312,015,669.32/258,014.46
  6. Step 6: Final answer
    x = 338,399.70

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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.