Finding the Fourth Proportional to 177,126.20, 266,207.70 and 154,316.60
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Solution
The fourth proportional to 177,126.20, 266,207.70 and 154,316.60 is: 231,926.54
Step by Step Solution
- Step 1: Write the proportion equation
177,126.20 : 266,207.70 = 154,316.60 : x - Step 2: Convert to fraction form
177,126.20/266,207.70 = 154,316.60/x - Step 3: Cross multiply
177,126.20x = 266,207.70 × 154,316.60 - Step 4: Simplify right side
177,126.20x = 41,080,267,157.82 - Step 5: Solve for x
x = 41,080,267,157.82/177,126.20 - Step 6: Final answer
x = 231,926.54
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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.