Finding the Fourth Proportional to 327,715.92, 491,573.66 and 91,058.49
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Solution
The fourth proportional to 327,715.92, 491,573.66 and 91,058.49 is: 136,587.67
Step by Step Solution
- Step 1: Write the proportion equation
327,715.92 : 491,573.66 = 91,058.49 : x - Step 2: Convert to fraction form
327,715.92/491,573.66 = 91,058.49/x - Step 3: Cross multiply
327,715.92x = 491,573.66 × 91,058.49 - Step 4: Simplify right side
327,715.92x = 44,761,954,748.08 - Step 5: Solve for x
x = 44,761,954,748.08/327,715.92 - Step 6: Final answer
x = 136,587.67
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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.