Finding the Fourth Proportional to 186,512.40, 279,851.27 and 97,744.79
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Solution
The fourth proportional to 186,512.40, 279,851.27 and 97,744.79 is: 146,660.50
Step by Step Solution
- Step 1: Write the proportion equation
186,512.40 : 279,851.27 = 97,744.79 : x - Step 2: Convert to fraction form
186,512.40/279,851.27 = 97,744.79/x - Step 3: Cross multiply
186,512.40x = 279,851.27 × 97,744.79 - Step 4: Simplify right side
186,512.40x = 27,354,001,729.40 - Step 5: Solve for x
x = 27,354,001,729.40/186,512.40 - Step 6: Final answer
x = 146,660.50
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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.