Home / 438,824.39-658,326.76-198,823.01

Finding the Fourth Proportional to 438,824.39, 658,326.76 and 198,823.01

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Solution

The fourth proportional to 438,824.39, 658,326.76 and 198,823.01 is: 298,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,824.39 : 658,326.76 = 198,823.01 : x
  2. Step 2: Convert to fraction form
    438,824.39/658,326.76 = 198,823.01/x
  3. Step 3: Cross multiply
    438,824.39x = 658,326.76 × 198,823.01
  4. Step 4: Simplify right side
    438,824.39x = 130,890,504,198.06
  5. Step 5: Solve for x
    x = 130,890,504,198.06/438,824.39
  6. Step 6: Final answer
    x = 298,275.37

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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.