Finding the Fourth Proportional to 491,351.36, 737,036.28 and 154,385.84
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Solution
The fourth proportional to 491,351.36, 737,036.28 and 154,385.84 is: 231,581.66
Step by Step Solution
- Step 1: Write the proportion equation
491,351.36 : 737,036.28 = 154,385.84 : x - Step 2: Convert to fraction form
491,351.36/737,036.28 = 154,385.84/x - Step 3: Cross multiply
491,351.36x = 737,036.28 × 154,385.84 - Step 4: Simplify right side
491,351.36x = 113,787,965,198.28 - Step 5: Solve for x
x = 113,787,965,198.28/491,351.36 - Step 6: Final answer
x = 231,581.66
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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.