Home / 286,449.24-395,286.54-159,132.60

Finding the Fourth Proportional to 286,449.24, 395,286.54 and 159,132.60

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Solution

The fourth proportional to 286,449.24, 395,286.54 and 159,132.60 is: 219,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,449.24 : 395,286.54 = 159,132.60 : x
  2. Step 2: Convert to fraction form
    286,449.24/395,286.54 = 159,132.60/x
  3. Step 3: Cross multiply
    286,449.24x = 395,286.54 × 159,132.60
  4. Step 4: Simplify right side
    286,449.24x = 62,902,974,855.20
  5. Step 5: Solve for x
    x = 62,902,974,855.20/286,449.24
  6. Step 6: Final answer
    x = 219,595.54

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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.