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Finding the Fourth Proportional to 500,180.88, 690,249.50 and 270,738.12

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Solution

The fourth proportional to 500,180.88, 690,249.50 and 270,738.12 is: 373,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,180.88 : 690,249.50 = 270,738.12 : x
  2. Step 2: Convert to fraction form
    500,180.88/690,249.50 = 270,738.12/x
  3. Step 3: Cross multiply
    500,180.88x = 690,249.50 × 270,738.12
  4. Step 4: Simplify right side
    500,180.88x = 186,876,851,960.94
  5. Step 5: Solve for x
    x = 186,876,851,960.94/500,180.88
  6. Step 6: Final answer
    x = 373,618.54

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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.