Finding the Fourth Proportional to 356,306.43, 491,696.81 and 192,961.62
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Solution
The fourth proportional to 356,306.43, 491,696.81 and 192,961.62 is: 266,283.75
Step by Step Solution
- Step 1: Write the proportion equation
356,306.43 : 491,696.81 = 192,961.62 : x - Step 2: Convert to fraction form
356,306.43/491,696.81 = 192,961.62/x - Step 3: Cross multiply
356,306.43x = 491,696.81 × 192,961.62 - Step 4: Simplify right side
356,306.43x = 94,878,612,765.23 - Step 5: Solve for x
x = 94,878,612,765.23/356,306.43 - Step 6: Final answer
x = 266,283.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.