Finding the Fourth Proportional to 327,862.49, 491,794.61 and 91,205.19
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Solution
The fourth proportional to 327,862.49, 491,794.61 and 91,205.19 is: 136,808.03
Step by Step Solution
- Step 1: Write the proportion equation
327,862.49 : 491,794.61 = 91,205.19 : x - Step 2: Convert to fraction form
327,862.49/491,794.61 = 91,205.19/x - Step 3: Cross multiply
327,862.49x = 491,794.61 × 91,205.19 - Step 4: Simplify right side
327,862.49x = 44,854,220,390.00 - Step 5: Solve for x
x = 44,854,220,390.00/327,862.49 - Step 6: Final answer
x = 136,808.03
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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.