Finding the Fourth Proportional to 371,906.22, 513,233.97 and 202,140.75
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Solution
The fourth proportional to 371,906.22, 513,233.97 and 202,140.75 is: 278,956.08
Step by Step Solution
- Step 1: Write the proportion equation
371,906.22 : 513,233.97 = 202,140.75 : x - Step 2: Convert to fraction form
371,906.22/513,233.97 = 202,140.75/x - Step 3: Cross multiply
371,906.22x = 513,233.97 × 202,140.75 - Step 4: Simplify right side
371,906.22x = 103,745,499,621.28 - Step 5: Solve for x
x = 103,745,499,621.28/371,906.22 - Step 6: Final answer
x = 278,956.08
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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.