Home / 485,189.73-669,566.48-267,406.31

Finding the Fourth Proportional to 485,189.73, 669,566.48 and 267,406.31

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Solution

The fourth proportional to 485,189.73, 669,566.48 and 267,406.31 is: 369,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,189.73 : 669,566.48 = 267,406.31 : x
  2. Step 2: Convert to fraction form
    485,189.73/669,566.48 = 267,406.31/x
  3. Step 3: Cross multiply
    485,189.73x = 669,566.48 × 267,406.31
  4. Step 4: Simplify right side
    485,189.73x = 179,046,302,053.37
  5. Step 5: Solve for x
    x = 179,046,302,053.37/485,189.73
  6. Step 6: Final answer
    x = 369,023.27

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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.