Finding the Fourth Proportional to 207,192.12, 310,586.58 and 132,077.88
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Solution
The fourth proportional to 207,192.12, 310,586.58 and 132,077.88 is: 197,988.31
Step by Step Solution
- Step 1: Write the proportion equation
207,192.12 : 310,586.58 = 132,077.88 : x - Step 2: Convert to fraction form
207,192.12/310,586.58 = 132,077.88/x - Step 3: Cross multiply
207,192.12x = 310,586.58 × 132,077.88 - Step 4: Simplify right side
207,192.12x = 41,021,617,042.85 - Step 5: Solve for x
x = 41,021,617,042.85/207,192.12 - Step 6: Final answer
x = 197,988.31
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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.