Finding the Fourth Proportional to 388,713.97, 581,754.30 and 239,049.19
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Solution
The fourth proportional to 388,713.97, 581,754.30 and 239,049.19 is: 357,764.08
Step by Step Solution
- Step 1: Write the proportion equation
388,713.97 : 581,754.30 = 239,049.19 : x - Step 2: Convert to fraction form
388,713.97/581,754.30 = 239,049.19/x - Step 3: Cross multiply
388,713.97x = 581,754.30 × 239,049.19 - Step 4: Simplify right side
388,713.97x = 139,067,894,194.02 - Step 5: Solve for x
x = 139,067,894,194.02/388,713.97 - Step 6: Final answer
x = 357,764.08
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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.