Finding the Fourth Proportional to 218,031.18, 327,093.92 and 66,215.78
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Solution
The fourth proportional to 218,031.18, 327,093.92 and 66,215.78 is: 99,337.99
Step by Step Solution
- Step 1: Write the proportion equation
218,031.18 : 327,093.92 = 66,215.78 : x - Step 2: Convert to fraction form
218,031.18/327,093.92 = 66,215.78/x - Step 3: Cross multiply
218,031.18x = 327,093.92 × 66,215.78 - Step 4: Simplify right side
218,031.18x = 21,658,779,046.06 - Step 5: Solve for x
x = 21,658,779,046.06/218,031.18 - Step 6: Final answer
x = 99,337.99
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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.