Home / 228,213.38-342,516.90-88,070.42

Finding the Fourth Proportional to 228,213.38, 342,516.90 and 88,070.42

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Solution

The fourth proportional to 228,213.38, 342,516.90 and 88,070.42 is: 132,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,213.38 : 342,516.90 = 88,070.42 : x
  2. Step 2: Convert to fraction form
    228,213.38/342,516.90 = 88,070.42/x
  3. Step 3: Cross multiply
    228,213.38x = 342,516.90 × 88,070.42
  4. Step 4: Simplify right side
    228,213.38x = 30,165,608,426.65
  5. Step 5: Solve for x
    x = 30,165,608,426.65/228,213.38
  6. Step 6: Final answer
    x = 132,181.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.