Finding the Fourth Proportional to 304,853.75, 457,304.28 and 91,605.02
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Solution
The fourth proportional to 304,853.75, 457,304.28 and 91,605.02 is: 137,414.63
Step by Step Solution
- Step 1: Write the proportion equation
304,853.75 : 457,304.28 = 91,605.02 : x - Step 2: Convert to fraction form
304,853.75/457,304.28 = 91,605.02/x - Step 3: Cross multiply
304,853.75x = 457,304.28 × 91,605.02 - Step 4: Simplify right side
304,853.75x = 41,891,365,428.96 - Step 5: Solve for x
x = 41,891,365,428.96/304,853.75 - Step 6: Final answer
x = 137,414.63
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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.