Home / 485,247.54-669,634.83-270,396.66

Finding the Fourth Proportional to 485,247.54, 669,634.83 and 270,396.66

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Solution

The fourth proportional to 485,247.54, 669,634.83 and 270,396.66 is: 373,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,247.54 : 669,634.83 = 270,396.66 : x
  2. Step 2: Convert to fraction form
    485,247.54/669,634.83 = 270,396.66/x
  3. Step 3: Cross multiply
    485,247.54x = 669,634.83 × 270,396.66
  4. Step 4: Simplify right side
    485,247.54x = 181,067,021,451.67
  5. Step 5: Solve for x
    x = 181,067,021,451.67/485,247.54
  6. Step 6: Final answer
    x = 373,143.62

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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.