Home / 268,975.25-402,339.19-189,007.59

Finding the Fourth Proportional to 268,975.25, 402,339.19 and 189,007.59

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Solution

The fourth proportional to 268,975.25, 402,339.19 and 189,007.59 is: 282,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,975.25 : 402,339.19 = 189,007.59 : x
  2. Step 2: Convert to fraction form
    268,975.25/402,339.19 = 189,007.59/x
  3. Step 3: Cross multiply
    268,975.25x = 402,339.19 × 189,007.59
  4. Step 4: Simplify right side
    268,975.25x = 76,045,160,664.45
  5. Step 5: Solve for x
    x = 76,045,160,664.45/268,975.25
  6. Step 6: Final answer
    x = 282,721.78

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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.