Finding the Fourth Proportional to 215,294.22, 322,915.95 and 57,534.84
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Solution
The fourth proportional to 215,294.22, 322,915.95 and 57,534.84 is: 86,295.48
Step by Step Solution
- Step 1: Write the proportion equation
215,294.22 : 322,915.95 = 57,534.84 : x - Step 2: Convert to fraction form
215,294.22/322,915.95 = 57,534.84/x - Step 3: Cross multiply
215,294.22x = 322,915.95 × 57,534.84 - Step 4: Simplify right side
215,294.22x = 18,578,917,516.70 - Step 5: Solve for x
x = 18,578,917,516.70/215,294.22 - Step 6: Final answer
x = 86,295.48
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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.