Finding the Fourth Proportional to 356,308.74, 491,699.97 and 192,963.92
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Solution
The fourth proportional to 356,308.74, 491,699.97 and 192,963.92 is: 266,286.90
Step by Step Solution
- Step 1: Write the proportion equation
356,308.74 : 491,699.97 = 192,963.92 : x - Step 2: Convert to fraction form
356,308.74/491,699.97 = 192,963.92/x - Step 3: Cross multiply
356,308.74x = 491,699.97 × 192,963.92 - Step 4: Simplify right side
356,308.74x = 94,880,350,251.76 - Step 5: Solve for x
x = 94,880,350,251.76/356,308.74 - Step 6: Final answer
x = 266,286.90
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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.