Home / 414,261.13-621,365.88-198,273.26

Finding the Fourth Proportional to 414,261.13, 621,365.88 and 198,273.26

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Solution

The fourth proportional to 414,261.13, 621,365.88 and 198,273.26 is: 297,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,261.13 : 621,365.88 = 198,273.26 : x
  2. Step 2: Convert to fraction form
    414,261.13/621,365.88 = 198,273.26/x
  3. Step 3: Cross multiply
    414,261.13x = 621,365.88 × 198,273.26
  4. Step 4: Simplify right side
    414,261.13x = 123,200,240,233.78
  5. Step 5: Solve for x
    x = 123,200,240,233.78/414,261.13
  6. Step 6: Final answer
    x = 297,397.54

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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.