Finding the Fourth Proportional to 186,723.49, 279,902.99 and 74,370.01
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Solution
The fourth proportional to 186,723.49, 279,902.99 and 74,370.01 is: 111,482.43
Step by Step Solution
- Step 1: Write the proportion equation
186,723.49 : 279,902.99 = 74,370.01 : x - Step 2: Convert to fraction form
186,723.49/279,902.99 = 74,370.01/x - Step 3: Cross multiply
186,723.49x = 279,902.99 × 74,370.01 - Step 4: Simplify right side
186,723.49x = 20,816,387,793.48 - Step 5: Solve for x
x = 20,816,387,793.48/186,723.49 - Step 6: Final answer
x = 111,482.43
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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.