Finding the Fourth Proportional to 229,136.07, 343,622.08 and 79,336.15
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Solution
The fourth proportional to 229,136.07, 343,622.08 and 79,336.15 is: 118,975.82
Step by Step Solution
- Step 1: Write the proportion equation
229,136.07 : 343,622.08 = 79,336.15 : x - Step 2: Convert to fraction form
229,136.07/343,622.08 = 79,336.15/x - Step 3: Cross multiply
229,136.07x = 343,622.08 × 79,336.15 - Step 4: Simplify right side
229,136.07x = 27,261,652,882.19 - Step 5: Solve for x
x = 27,261,652,882.19/229,136.07 - Step 6: Final answer
x = 118,975.82
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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.