Finding the Fourth Proportional to 186,711.04, 257,654.82 and 106,141.96
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Solution
The fourth proportional to 186,711.04, 257,654.82 and 106,141.96 is: 146,472.26
Step by Step Solution
- Step 1: Write the proportion equation
186,711.04 : 257,654.82 = 106,141.96 : x - Step 2: Convert to fraction form
186,711.04/257,654.82 = 106,141.96/x - Step 3: Cross multiply
186,711.04x = 257,654.82 × 106,141.96 - Step 4: Simplify right side
186,711.04x = 27,347,987,598.25 - Step 5: Solve for x
x = 27,347,987,598.25/186,711.04 - Step 6: Final answer
x = 146,472.26
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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.