Home / 398,923.85-550,512.29-226,841.83

Finding the Fourth Proportional to 398,923.85, 550,512.29 and 226,841.83

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Solution

The fourth proportional to 398,923.85, 550,512.29 and 226,841.83 is: 313,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,923.85 : 550,512.29 = 226,841.83 : x
  2. Step 2: Convert to fraction form
    398,923.85/550,512.29 = 226,841.83/x
  3. Step 3: Cross multiply
    398,923.85x = 550,512.29 × 226,841.83
  4. Step 4: Simplify right side
    398,923.85x = 124,879,212,790.60
  5. Step 5: Solve for x
    x = 124,879,212,790.60/398,923.85
  6. Step 6: Final answer
    x = 313,040.23

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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.