Finding the Fourth Proportional to 217,459.36, 326,186.16 and 59,687.84
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Solution
The fourth proportional to 217,459.36, 326,186.16 and 59,687.84 is: 89,530.97
Step by Step Solution
- Step 1: Write the proportion equation
217,459.36 : 326,186.16 = 59,687.84 : x - Step 2: Convert to fraction form
217,459.36/326,186.16 = 59,687.84/x - Step 3: Cross multiply
217,459.36x = 326,186.16 × 59,687.84 - Step 4: Simplify right side
217,459.36x = 19,469,347,328.29 - Step 5: Solve for x
x = 19,469,347,328.29/217,459.36 - Step 6: Final answer
x = 89,530.97
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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.