Finding the Fourth Proportional to 215,915.97, 323,864.78 and 73,773.99
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Solution
The fourth proportional to 215,915.97, 323,864.78 and 73,773.99 is: 110,657.85
Step by Step Solution
- Step 1: Write the proportion equation
215,915.97 : 323,864.78 = 73,773.99 : x - Step 2: Convert to fraction form
215,915.97/323,864.78 = 73,773.99/x - Step 3: Cross multiply
215,915.97x = 323,864.78 × 73,773.99 - Step 4: Simplify right side
215,915.97x = 23,892,796,672.20 - Step 5: Solve for x
x = 23,892,796,672.20/215,915.97 - Step 6: Final answer
x = 110,657.85
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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.