Home / 400,819.20-601,010.10-134,442.60

Finding the Fourth Proportional to 400,819.20, 601,010.10 and 134,442.60

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Solution

The fourth proportional to 400,819.20, 601,010.10 and 134,442.60 is: 201,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,819.20 : 601,010.10 = 134,442.60 : x
  2. Step 2: Convert to fraction form
    400,819.20/601,010.10 = 134,442.60/x
  3. Step 3: Cross multiply
    400,819.20x = 601,010.10 × 134,442.60
  4. Step 4: Simplify right side
    400,819.20x = 80,801,360,470.26
  5. Step 5: Solve for x
    x = 80,801,360,470.26/400,819.20
  6. Step 6: Final answer
    x = 201,590.54

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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.