Home / 404,272.30-606,408.45-278,301.10

Finding the Fourth Proportional to 404,272.30, 606,408.45 and 278,301.10

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Solution

The fourth proportional to 404,272.30, 606,408.45 and 278,301.10 is: 417,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,272.30 : 606,408.45 = 278,301.10 : x
  2. Step 2: Convert to fraction form
    404,272.30/606,408.45 = 278,301.10/x
  3. Step 3: Cross multiply
    404,272.30x = 606,408.45 × 278,301.10
  4. Step 4: Simplify right side
    404,272.30x = 168,764,138,684.30
  5. Step 5: Solve for x
    x = 168,764,138,684.30/404,272.30
  6. Step 6: Final answer
    x = 417,451.65

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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.