Finding the Fourth Proportional to 218,452.65, 327,725.79 and 123,727.62
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Solution
The fourth proportional to 218,452.65, 327,725.79 and 123,727.62 is: 185,617.95
Step by Step Solution
- Step 1: Write the proportion equation
218,452.65 : 327,725.79 = 123,727.62 : x - Step 2: Convert to fraction form
218,452.65/327,725.79 = 123,727.62/x - Step 3: Cross multiply
218,452.65x = 327,725.79 × 123,727.62 - Step 4: Simplify right side
218,452.65x = 40,548,732,009.32 - Step 5: Solve for x
x = 40,548,732,009.32/218,452.65 - Step 6: Final answer
x = 185,617.95
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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.