Home / 805,371.24-1,208,028.90-206,337.36

Finding the Fourth Proportional to 805,371.24, 1,208,028.90 and 206,337.36

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Solution

The fourth proportional to 805,371.24, 1,208,028.90 and 206,337.36 is: 309,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,371.24 : 1,208,028.90 = 206,337.36 : x
  2. Step 2: Convert to fraction form
    805,371.24/1,208,028.90 = 206,337.36/x
  3. Step 3: Cross multiply
    805,371.24x = 1,208,028.90 × 206,337.36
  4. Step 4: Simplify right side
    805,371.24x = 249,261,494,029.70
  5. Step 5: Solve for x
    x = 249,261,494,029.70/805,371.24
  6. Step 6: Final answer
    x = 309,498.88

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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.