Finding the Fourth Proportional to 356,197.87, 491,555.62 and 195,067.79
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Solution
The fourth proportional to 356,197.87, 491,555.62 and 195,067.79 is: 269,194.95
Step by Step Solution
- Step 1: Write the proportion equation
356,197.87 : 491,555.62 = 195,067.79 : x - Step 2: Convert to fraction form
356,197.87/491,555.62 = 195,067.79/x - Step 3: Cross multiply
356,197.87x = 491,555.62 × 195,067.79 - Step 4: Simplify right side
356,197.87x = 95,886,668,455.48 - Step 5: Solve for x
x = 95,886,668,455.48/356,197.87 - Step 6: Final answer
x = 269,194.95
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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.