Home / 206,900.53-310,504.73-153,716.33

Finding the Fourth Proportional to 206,900.53, 310,504.73 and 153,716.33

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Solution

The fourth proportional to 206,900.53, 310,504.73 and 153,716.33 is: 230,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,900.53 : 310,504.73 = 153,716.33 : x
  2. Step 2: Convert to fraction form
    206,900.53/310,504.73 = 153,716.33/x
  3. Step 3: Cross multiply
    206,900.53x = 310,504.73 × 153,716.33
  4. Step 4: Simplify right side
    206,900.53x = 47,729,647,550.92
  5. Step 5: Solve for x
    x = 47,729,647,550.92/206,900.53
  6. Step 6: Final answer
    x = 230,688.86

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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.