Finding the Fourth Proportional to 396,634.58, 595,188.27 and 143,934.80
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Solution
The fourth proportional to 396,634.58, 595,188.27 and 143,934.80 is: 215,987.99
Step by Step Solution
- Step 1: Write the proportion equation
396,634.58 : 595,188.27 = 143,934.80 : x - Step 2: Convert to fraction form
396,634.58/595,188.27 = 143,934.80/x - Step 3: Cross multiply
396,634.58x = 595,188.27 × 143,934.80 - Step 4: Simplify right side
396,634.58x = 85,668,304,604.80 - Step 5: Solve for x
x = 85,668,304,604.80/396,634.58 - Step 6: Final answer
x = 215,987.99
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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.