Finding the Fourth Proportional to 204,176.70, 306,046.35 and 91,837.80
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Solution
The fourth proportional to 204,176.70, 306,046.35 and 91,837.80 is: 137,658.33
Step by Step Solution
- Step 1: Write the proportion equation
204,176.70 : 306,046.35 = 91,837.80 : x - Step 2: Convert to fraction form
204,176.70/306,046.35 = 91,837.80/x - Step 3: Cross multiply
204,176.70x = 306,046.35 × 91,837.80 - Step 4: Simplify right side
204,176.70x = 28,106,623,482.03 - Step 5: Solve for x
x = 28,106,623,482.03/204,176.70 - Step 6: Final answer
x = 137,658.33
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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.