Finding the Fourth Proportional to 163,330.91, 225,432.29 and 117,512.99
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Solution
The fourth proportional to 163,330.91, 225,432.29 and 117,512.99 is: 162,193.56
Step by Step Solution
- Step 1: Write the proportion equation
163,330.91 : 225,432.29 = 117,512.99 : x - Step 2: Convert to fraction form
163,330.91/225,432.29 = 117,512.99/x - Step 3: Cross multiply
163,330.91x = 225,432.29 × 117,512.99 - Step 4: Simplify right side
163,330.91x = 26,491,222,440.45 - Step 5: Solve for x
x = 26,491,222,440.45/163,330.91 - Step 6: Final answer
x = 162,193.56
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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.