Finding the Fourth Proportional to 177,342.20, 266,099.70 and 135,207.80
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Solution
The fourth proportional to 177,342.20, 266,099.70 and 135,207.80 is: 202,877.57
Step by Step Solution
- Step 1: Write the proportion equation
177,342.20 : 266,099.70 = 135,207.80 : x - Step 2: Convert to fraction form
177,342.20/266,099.70 = 135,207.80/x - Step 3: Cross multiply
177,342.20x = 266,099.70 × 135,207.80 - Step 4: Simplify right side
177,342.20x = 35,978,755,017.66 - Step 5: Solve for x
x = 35,978,755,017.66/177,342.20 - Step 6: Final answer
x = 202,877.57
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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.