Finding the Fourth Proportional to 218,448.20, 327,252.50 and 133,962.00
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Solution
The fourth proportional to 218,448.20, 327,252.50 and 133,962.00 is: 200,685.55
Step by Step Solution
- Step 1: Write the proportion equation
218,448.20 : 327,252.50 = 133,962.00 : x - Step 2: Convert to fraction form
218,448.20/327,252.50 = 133,962.00/x - Step 3: Cross multiply
218,448.20x = 327,252.50 × 133,962.00 - Step 4: Simplify right side
218,448.20x = 43,839,397,098.93 - Step 5: Solve for x
x = 43,839,397,098.93/218,448.20 - Step 6: Final answer
x = 200,685.55
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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.