Home / 286,256.90-395,046.86-158,932.50

Finding the Fourth Proportional to 286,256.90, 395,046.86 and 158,932.50

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Solution

The fourth proportional to 286,256.90, 395,046.86 and 158,932.50 is: 219,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,256.90 : 395,046.86 = 158,932.50 : x
  2. Step 2: Convert to fraction form
    286,256.90/395,046.86 = 158,932.50/x
  3. Step 3: Cross multiply
    286,256.90x = 395,046.86 × 158,932.50
  4. Step 4: Simplify right side
    286,256.90x = 62,785,785,076.95
  5. Step 5: Solve for x
    x = 62,785,785,076.95/286,256.90
  6. Step 6: Final answer
    x = 219,333.70

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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.