Finding the Fourth Proportional to 231,654.18, 319,517.97 and 212,595.49
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Solution
The fourth proportional to 231,654.18, 319,517.97 and 212,595.49 is: 293,230.53
Step by Step Solution
- Step 1: Write the proportion equation
231,654.18 : 319,517.97 = 212,595.49 : x - Step 2: Convert to fraction form
231,654.18/319,517.97 = 212,595.49/x - Step 3: Cross multiply
231,654.18x = 319,517.97 × 212,595.49 - Step 4: Simplify right side
231,654.18x = 67,928,077,200.83 - Step 5: Solve for x
x = 67,928,077,200.83/231,654.18 - Step 6: Final answer
x = 293,230.53
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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.