Home / 805,083.52-1,207,612.86-206,039.56

Finding the Fourth Proportional to 805,083.52, 1,207,612.86 and 206,039.56

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Solution

The fourth proportional to 805,083.52, 1,207,612.86 and 206,039.56 is: 309,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,083.52 : 1,207,612.86 = 206,039.56 : x
  2. Step 2: Convert to fraction form
    805,083.52/1,207,612.86 = 206,039.56/x
  3. Step 3: Cross multiply
    805,083.52x = 1,207,612.86 × 206,039.56
  4. Step 4: Simplify right side
    805,083.52x = 248,816,022,324.74
  5. Step 5: Solve for x
    x = 248,816,022,324.74/805,083.52
  6. Step 6: Final answer
    x = 309,056.16

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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.