Home / 408,148.38-612,228.78-155,442.85

Finding the Fourth Proportional to 408,148.38, 612,228.78 and 155,442.85

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Solution

The fourth proportional to 408,148.38, 612,228.78 and 155,442.85 is: 233,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,148.38 : 612,228.78 = 155,442.85 : x
  2. Step 2: Convert to fraction form
    408,148.38/612,228.78 = 155,442.85/x
  3. Step 3: Cross multiply
    408,148.38x = 612,228.78 × 155,442.85
  4. Step 4: Simplify right side
    408,148.38x = 95,166,584,884.65
  5. Step 5: Solve for x
    x = 95,166,584,884.65/408,148.38
  6. Step 6: Final answer
    x = 233,166.64

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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.