Finding the Fourth Proportional to 177,851.80, 266,129.70 and 131,195.80
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Solution
The fourth proportional to 177,851.80, 266,129.70 and 131,195.80 is: 196,315.69
Step by Step Solution
- Step 1: Write the proportion equation
177,851.80 : 266,129.70 = 131,195.80 : x - Step 2: Convert to fraction form
177,851.80/266,129.70 = 131,195.80/x - Step 3: Cross multiply
177,851.80x = 266,129.70 × 131,195.80 - Step 4: Simplify right side
177,851.80x = 34,915,098,895.26 - Step 5: Solve for x
x = 34,915,098,895.26/177,851.80 - Step 6: Final answer
x = 196,315.69
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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.