Finding the Fourth Proportional to 395,424.11, 545,705.13 and 232,087.68
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Solution
The fourth proportional to 395,424.11, 545,705.13 and 232,087.68 is: 320,292.65
Step by Step Solution
- Step 1: Write the proportion equation
395,424.11 : 545,705.13 = 232,087.68 : x - Step 2: Convert to fraction form
395,424.11/545,705.13 = 232,087.68/x - Step 3: Cross multiply
395,424.11x = 545,705.13 × 232,087.68 - Step 4: Simplify right side
395,424.11x = 126,651,438,456.13 - Step 5: Solve for x
x = 126,651,438,456.13/395,424.11 - Step 6: Final answer
x = 320,292.65
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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.