Home / 354,584.75-489,326.96-227,260.35

Finding the Fourth Proportional to 354,584.75, 489,326.96 and 227,260.35

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Solution

The fourth proportional to 354,584.75, 489,326.96 and 227,260.35 is: 313,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,584.75 : 489,326.96 = 227,260.35 : x
  2. Step 2: Convert to fraction form
    354,584.75/489,326.96 = 227,260.35/x
  3. Step 3: Cross multiply
    354,584.75x = 489,326.96 × 227,260.35
  4. Step 4: Simplify right side
    354,584.75x = 111,204,612,611.10
  5. Step 5: Solve for x
    x = 111,204,612,611.10/354,584.75
  6. Step 6: Final answer
    x = 313,619.28

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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.