Home / 217,625.27-300,625.63-206,984.40

Finding the Fourth Proportional to 217,625.27, 300,625.63 and 206,984.40

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Solution

The fourth proportional to 217,625.27, 300,625.63 and 206,984.40 is: 285,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,625.27 : 300,625.63 = 206,984.40 : x
  2. Step 2: Convert to fraction form
    217,625.27/300,625.63 = 206,984.40/x
  3. Step 3: Cross multiply
    217,625.27x = 300,625.63 × 206,984.40
  4. Step 4: Simplify right side
    217,625.27x = 62,224,815,650.17
  5. Step 5: Solve for x
    x = 62,224,815,650.17/217,625.27
  6. Step 6: Final answer
    x = 285,926.43

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1.5x scale

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.