Finding the Fourth Proportional to 207,430.76, 310,883.70 and 132,521.96
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Solution
The fourth proportional to 207,430.76, 310,883.70 and 132,521.96 is: 198,615.27
Step by Step Solution
- Step 1: Write the proportion equation
207,430.76 : 310,883.70 = 132,521.96 : x - Step 2: Convert to fraction form
207,430.76/310,883.70 = 132,521.96/x - Step 3: Cross multiply
207,430.76x = 310,883.70 × 132,521.96 - Step 4: Simplify right side
207,430.76x = 41,198,917,256.05 - Step 5: Solve for x
x = 41,198,917,256.05/207,430.76 - Step 6: Final answer
x = 198,615.27
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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.