Finding the Fourth Proportional to 186,168.24, 279,160.11 and 66,207.20
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Solution
The fourth proportional to 186,168.24, 279,160.11 and 66,207.20 is: 99,277.99
Step by Step Solution
- Step 1: Write the proportion equation
186,168.24 : 279,160.11 = 66,207.20 : x - Step 2: Convert to fraction form
186,168.24/279,160.11 = 66,207.20/x - Step 3: Cross multiply
186,168.24x = 279,160.11 × 66,207.20 - Step 4: Simplify right side
186,168.24x = 18,482,407,838.99 - Step 5: Solve for x
x = 18,482,407,838.99/186,168.24 - Step 6: Final answer
x = 99,277.99
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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.