Finding the Fourth Proportional to 207,270.70, 310,906.05 and 157,504.30
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Solution
The fourth proportional to 207,270.70, 310,906.05 and 157,504.30 is: 236,256.45
Step by Step Solution
- Step 1: Write the proportion equation
207,270.70 : 310,906.05 = 157,504.30 : x - Step 2: Convert to fraction form
207,270.70/310,906.05 = 157,504.30/x - Step 3: Cross multiply
207,270.70x = 310,906.05 × 157,504.30 - Step 4: Simplify right side
207,270.70x = 48,969,039,771.02 - Step 5: Solve for x
x = 48,969,039,771.02/207,270.70 - Step 6: Final answer
x = 236,256.45
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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.