Home / 255,948.44-383,922.60-137,456.80

Finding the Fourth Proportional to 255,948.44, 383,922.60 and 137,456.80

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Solution

The fourth proportional to 255,948.44, 383,922.60 and 137,456.80 is: 206,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,948.44 : 383,922.60 = 137,456.80 : x
  2. Step 2: Convert to fraction form
    255,948.44/383,922.60 = 137,456.80/x
  3. Step 3: Cross multiply
    255,948.44x = 383,922.60 × 137,456.80
  4. Step 4: Simplify right side
    255,948.44x = 52,772,772,043.68
  5. Step 5: Solve for x
    x = 52,772,772,043.68/255,948.44
  6. Step 6: Final answer
    x = 206,185.17

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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.