Home / 485,026.76-669,357.24-270,166.52

Finding the Fourth Proportional to 485,026.76, 669,357.24 and 270,166.52

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Solution

The fourth proportional to 485,026.76, 669,357.24 and 270,166.52 is: 372,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,026.76 : 669,357.24 = 270,166.52 : x
  2. Step 2: Convert to fraction form
    485,026.76/669,357.24 = 270,166.52/x
  3. Step 3: Cross multiply
    485,026.76x = 669,357.24 × 270,166.52
  4. Step 4: Simplify right side
    485,026.76x = 180,837,916,167.61
  5. Step 5: Solve for x
    x = 180,837,916,167.61/485,026.76
  6. Step 6: Final answer
    x = 372,841.11

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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.