Finding the Fourth Proportional to 830,711.87, 1,246,067.65 and 199,625.68
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Solution
The fourth proportional to 830,711.87, 1,246,067.65 and 199,625.68 is: 299,438.49
Step by Step Solution
- Step 1: Write the proportion equation
830,711.87 : 1,246,067.65 = 199,625.68 : x - Step 2: Convert to fraction form
830,711.87/1,246,067.65 = 199,625.68/x - Step 3: Cross multiply
830,711.87x = 1,246,067.65 × 199,625.68 - Step 4: Simplify right side
830,711.87x = 248,747,103,764.37 - Step 5: Solve for x
x = 248,747,103,764.37/830,711.87 - Step 6: Final answer
x = 299,438.49
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1.5x scale
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.