Finding the Fourth Proportional to 218,744.68, 328,473.00 and 135,036.95
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Solution
The fourth proportional to 218,744.68, 328,473.00 and 135,036.95 is: 202,775.18
Step by Step Solution
- Step 1: Write the proportion equation
218,744.68 : 328,473.00 = 135,036.95 : x - Step 2: Convert to fraction form
218,744.68/328,473.00 = 135,036.95/x - Step 3: Cross multiply
218,744.68x = 328,473.00 × 135,036.95 - Step 4: Simplify right side
218,744.68x = 44,355,991,902.85 - Step 5: Solve for x
x = 44,355,991,902.85/218,744.68 - Step 6: Final answer
x = 202,775.18
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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.