Home / 205,949.04-307,645.74-149,339.76

Finding the Fourth Proportional to 205,949.04, 307,645.74 and 149,339.76

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Solution

The fourth proportional to 205,949.04, 307,645.74 and 149,339.76 is: 223,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,949.04 : 307,645.74 = 149,339.76 : x
  2. Step 2: Convert to fraction form
    205,949.04/307,645.74 = 149,339.76/x
  3. Step 3: Cross multiply
    205,949.04x = 307,645.74 × 149,339.76
  4. Step 4: Simplify right side
    205,949.04x = 45,943,740,976.62
  5. Step 5: Solve for x
    x = 45,943,740,976.62/205,949.04
  6. Step 6: Final answer
    x = 223,083.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.