Finding the Fourth Proportional to 207,398.20, 310,751.70 and 194,956.60
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Solution
The fourth proportional to 207,398.20, 310,751.70 and 194,956.60 is: 292,110.03
Step by Step Solution
- Step 1: Write the proportion equation
207,398.20 : 310,751.70 = 194,956.60 : x - Step 2: Convert to fraction form
207,398.20/310,751.70 = 194,956.60/x - Step 3: Cross multiply
207,398.20x = 310,751.70 × 194,956.60 - Step 4: Simplify right side
207,398.20x = 60,583,094,876.22 - Step 5: Solve for x
x = 60,583,094,876.22/207,398.20 - Step 6: Final answer
x = 292,110.03
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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.