Finding the Fourth Proportional to 182,781.80, 274,172.70 and 129,637.70
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Solution
The fourth proportional to 182,781.80, 274,172.70 and 129,637.70 is: 194,456.55
Step by Step Solution
- Step 1: Write the proportion equation
182,781.80 : 274,172.70 = 129,637.70 : x - Step 2: Convert to fraction form
182,781.80/274,172.70 = 129,637.70/x - Step 3: Cross multiply
182,781.80x = 274,172.70 × 129,637.70 - Step 4: Simplify right side
182,781.80x = 35,543,118,230.79 - Step 5: Solve for x
x = 35,543,118,230.79/182,781.80 - Step 6: Final answer
x = 194,456.55
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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.