Finding the Fourth Proportional to 711,795.95, 1,067,474.21 and 206,394.18
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Solution
The fourth proportional to 711,795.95, 1,067,474.21 and 206,394.18 is: 309,527.56
Step by Step Solution
- Step 1: Write the proportion equation
711,795.95 : 1,067,474.21 = 206,394.18 : x - Step 2: Convert to fraction form
711,795.95/1,067,474.21 = 206,394.18/x - Step 3: Cross multiply
711,795.95x = 1,067,474.21 × 206,394.18 - Step 4: Simplify right side
711,795.95x = 220,320,464,244.10 - Step 5: Solve for x
x = 220,320,464,244.10/711,795.95 - Step 6: Final answer
x = 309,527.56
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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.