Finding the Fourth Proportional to 303,387.56, 418,498.04 and 194,453.09
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Solution
The fourth proportional to 303,387.56, 418,498.04 and 194,453.09 is: 268,231.95
Step by Step Solution
- Step 1: Write the proportion equation
303,387.56 : 418,498.04 = 194,453.09 : x - Step 2: Convert to fraction form
303,387.56/418,498.04 = 194,453.09/x - Step 3: Cross multiply
303,387.56x = 418,498.04 × 194,453.09 - Step 4: Simplify right side
303,387.56x = 81,378,236,999.95 - Step 5: Solve for x
x = 81,378,236,999.95/303,387.56 - Step 6: Final answer
x = 268,231.95
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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.