Home / 286,260.08-395,010.04-158,921.84

Finding the Fourth Proportional to 286,260.08, 395,010.04 and 158,921.84

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Solution

The fourth proportional to 286,260.08, 395,010.04 and 158,921.84 is: 219,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,260.08 : 395,010.04 = 158,921.84 : x
  2. Step 2: Convert to fraction form
    286,260.08/395,010.04 = 158,921.84/x
  3. Step 3: Cross multiply
    286,260.08x = 395,010.04 × 158,921.84
  4. Step 4: Simplify right side
    286,260.08x = 62,775,722,375.27
  5. Step 5: Solve for x
    x = 62,775,722,375.27/286,260.08
  6. Step 6: Final answer
    x = 219,296.11

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1.5x scale

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.