Home / 286,254.15-395,043.06-158,929.75

Finding the Fourth Proportional to 286,254.15, 395,043.06 and 158,929.75

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Solution

The fourth proportional to 286,254.15, 395,043.06 and 158,929.75 is: 219,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,254.15 : 395,043.06 = 158,929.75 : x
  2. Step 2: Convert to fraction form
    286,254.15/395,043.06 = 158,929.75/x
  3. Step 3: Cross multiply
    286,254.15x = 395,043.06 × 158,929.75
  4. Step 4: Simplify right side
    286,254.15x = 62,784,094,765.04
  5. Step 5: Solve for x
    x = 62,784,094,765.04/286,254.15
  6. Step 6: Final answer
    x = 219,329.90

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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.