Finding the Fourth Proportional to 217,278.75, 326,062.74 and 89,299.99
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Solution
The fourth proportional to 217,278.75, 326,062.74 and 89,299.99 is: 134,009.42
Step by Step Solution
- Step 1: Write the proportion equation
217,278.75 : 326,062.74 = 89,299.99 : x - Step 2: Convert to fraction form
217,278.75/326,062.74 = 89,299.99/x - Step 3: Cross multiply
217,278.75x = 326,062.74 × 89,299.99 - Step 4: Simplify right side
217,278.75x = 29,117,398,606.22 - Step 5: Solve for x
x = 29,117,398,606.22/217,278.75 - Step 6: Final answer
x = 134,009.42
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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.