Home / 204,268.79-306,403.22-54,509.65

Finding the Fourth Proportional to 204,268.79, 306,403.22 and 54,509.65

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Solution

The fourth proportional to 204,268.79, 306,403.22 and 54,509.65 is: 81,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,268.79 : 306,403.22 = 54,509.65 : x
  2. Step 2: Convert to fraction form
    204,268.79/306,403.22 = 54,509.65/x
  3. Step 3: Cross multiply
    204,268.79x = 306,403.22 × 54,509.65
  4. Step 4: Simplify right side
    204,268.79x = 16,701,931,651.34
  5. Step 5: Solve for x
    x = 16,701,931,651.34/204,268.79
  6. Step 6: Final answer
    x = 81,764.48

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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.