Finding the Fourth Proportional to 135,227.49, 186,444.29 and 86,743.94
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Solution
The fourth proportional to 135,227.49, 186,444.29 and 86,743.94 is: 119,597.80
Step by Step Solution
- Step 1: Write the proportion equation
135,227.49 : 186,444.29 = 86,743.94 : x - Step 2: Convert to fraction form
135,227.49/186,444.29 = 86,743.94/x - Step 3: Cross multiply
135,227.49x = 186,444.29 × 86,743.94 - Step 4: Simplify right side
135,227.49x = 16,172,910,939.16 - Step 5: Solve for x
x = 16,172,910,939.16/135,227.49 - Step 6: Final answer
x = 119,597.80
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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.