Finding the Fourth Proportional to 212,446.72, 292,544.17 and 207,731.92
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Solution
The fourth proportional to 212,446.72, 292,544.17 and 207,731.92 is: 286,051.78
Step by Step Solution
- Step 1: Write the proportion equation
212,446.72 : 292,544.17 = 207,731.92 : x - Step 2: Convert to fraction form
212,446.72/292,544.17 = 207,731.92/x - Step 3: Cross multiply
212,446.72x = 292,544.17 × 207,731.92 - Step 4: Simplify right side
212,446.72x = 60,770,762,118.91 - Step 5: Solve for x
x = 60,770,762,118.91/212,446.72 - Step 6: Final answer
x = 286,051.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.