Finding the Fourth Proportional to 225,949.18, 338,915.04 and 68,173.42
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Solution
The fourth proportional to 225,949.18, 338,915.04 and 68,173.42 is: 102,257.50
Step by Step Solution
- Step 1: Write the proportion equation
225,949.18 : 338,915.04 = 68,173.42 : x - Step 2: Convert to fraction form
225,949.18/338,915.04 = 68,173.42/x - Step 3: Cross multiply
225,949.18x = 338,915.04 × 68,173.42 - Step 4: Simplify right side
225,949.18x = 23,104,997,366.24 - Step 5: Solve for x
x = 23,104,997,366.24/225,949.18 - Step 6: Final answer
x = 102,257.50
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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.