Home / 205,982.20-308,317.20-146,933.20

Finding the Fourth Proportional to 205,982.20, 308,317.20 and 146,933.20

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Solution

The fourth proportional to 205,982.20, 308,317.20 and 146,933.20 is: 219,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,982.20 : 308,317.20 = 146,933.20 : x
  2. Step 2: Convert to fraction form
    205,982.20/308,317.20 = 146,933.20/x
  3. Step 3: Cross multiply
    205,982.20x = 308,317.20 × 146,933.20
  4. Step 4: Simplify right side
    205,982.20x = 45,302,032,811.04
  5. Step 5: Solve for x
    x = 45,302,032,811.04/205,982.20
  6. Step 6: Final answer
    x = 219,931.78

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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.