Home / 286,583.60-395,467.28-159,251.60

Finding the Fourth Proportional to 286,583.60, 395,467.28 and 159,251.60

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Solution

The fourth proportional to 286,583.60, 395,467.28 and 159,251.60 is: 219,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,583.60 : 395,467.28 = 159,251.60 : x
  2. Step 2: Convert to fraction form
    286,583.60/395,467.28 = 159,251.60/x
  3. Step 3: Cross multiply
    286,583.60x = 395,467.28 × 159,251.60
  4. Step 4: Simplify right side
    286,583.60x = 62,978,797,087.65
  5. Step 5: Solve for x
    x = 62,978,797,087.65/286,583.60
  6. Step 6: Final answer
    x = 219,757.16

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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.