Home / 286,614.56-395,932.79-229,632.28

Finding the Fourth Proportional to 286,614.56, 395,932.79 and 229,632.28

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Solution

The fourth proportional to 286,614.56, 395,932.79 and 229,632.28 is: 317,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,614.56 : 395,932.79 = 229,632.28 : x
  2. Step 2: Convert to fraction form
    286,614.56/395,932.79 = 229,632.28/x
  3. Step 3: Cross multiply
    286,614.56x = 395,932.79 × 229,632.28
  4. Step 4: Simplify right side
    286,614.56x = 90,918,948,878.71
  5. Step 5: Solve for x
    x = 90,918,948,878.71/286,614.56
  6. Step 6: Final answer
    x = 317,216.78

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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.