Finding the Fourth Proportional to 711,795.98, 1,067,474.26 and 206,394.21
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Solution
The fourth proportional to 711,795.98, 1,067,474.26 and 206,394.21 is: 309,527.61
Step by Step Solution
- Step 1: Write the proportion equation
711,795.98 : 1,067,474.26 = 206,394.21 : x - Step 2: Convert to fraction form
711,795.98/1,067,474.26 = 206,394.21/x - Step 3: Cross multiply
711,795.98x = 1,067,474.26 × 206,394.21 - Step 4: Simplify right side
711,795.98x = 220,320,506,072.05 - Step 5: Solve for x
x = 220,320,506,072.05/711,795.98 - Step 6: Final answer
x = 309,527.61
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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.