Finding the Fourth Proportional to 213,126.96, 319,833.08 and 88,467.92
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Solution
The fourth proportional to 213,126.96, 319,833.08 and 88,467.92 is: 132,761.09
Step by Step Solution
- Step 1: Write the proportion equation
213,126.96 : 319,833.08 = 88,467.92 : x - Step 2: Convert to fraction form
213,126.96/319,833.08 = 88,467.92/x - Step 3: Cross multiply
213,126.96x = 319,833.08 × 88,467.92 - Step 4: Simplify right side
213,126.96x = 28,294,967,334.79 - Step 5: Solve for x
x = 28,294,967,334.79/213,126.96 - Step 6: Final answer
x = 132,761.09
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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.