Home / 286,062.40-394,766.76-158,738.32

Finding the Fourth Proportional to 286,062.40, 394,766.76 and 158,738.32

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Solution

The fourth proportional to 286,062.40, 394,766.76 and 158,738.32 is: 219,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,062.40 : 394,766.76 = 158,738.32 : x
  2. Step 2: Convert to fraction form
    286,062.40/394,766.76 = 158,738.32/x
  3. Step 3: Cross multiply
    286,062.40x = 394,766.76 × 158,738.32
  4. Step 4: Simplify right side
    286,062.40x = 62,664,612,274.24
  5. Step 5: Solve for x
    x = 62,664,612,274.24/286,062.40
  6. Step 6: Final answer
    x = 219,059.24

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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.