Home / 268,991.28-371,268.77-204,638.81

Finding the Fourth Proportional to 268,991.28, 371,268.77 and 204,638.81

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Solution

The fourth proportional to 268,991.28, 371,268.77 and 204,638.81 is: 282,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,991.28 : 371,268.77 = 204,638.81 : x
  2. Step 2: Convert to fraction form
    268,991.28/371,268.77 = 204,638.81/x
  3. Step 3: Cross multiply
    268,991.28x = 371,268.77 × 204,638.81
  4. Step 4: Simplify right side
    268,991.28x = 75,975,996,403.43
  5. Step 5: Solve for x
    x = 75,975,996,403.43/268,991.28
  6. Step 6: Final answer
    x = 282,447.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.