Home / 286,592.15-395,901.91-229,609.87

Finding the Fourth Proportional to 286,592.15, 395,901.91 and 229,609.87

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Solution

The fourth proportional to 286,592.15, 395,901.91 and 229,609.87 is: 317,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,592.15 : 395,901.91 = 229,609.87 : x
  2. Step 2: Convert to fraction form
    286,592.15/395,901.91 = 229,609.87/x
  3. Step 3: Cross multiply
    286,592.15x = 395,901.91 × 229,609.87
  4. Step 4: Simplify right side
    286,592.15x = 90,902,985,385.11
  5. Step 5: Solve for x
    x = 90,902,985,385.11/286,592.15
  6. Step 6: Final answer
    x = 317,185.88

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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.