Finding the Fourth Proportional to 163,642.68, 245,354.61 and 132,091.56
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Solution
The fourth proportional to 163,642.68, 245,354.61 and 132,091.56 is: 198,049.02
Step by Step Solution
- Step 1: Write the proportion equation
163,642.68 : 245,354.61 = 132,091.56 : x - Step 2: Convert to fraction form
163,642.68/245,354.61 = 132,091.56/x - Step 3: Cross multiply
163,642.68x = 245,354.61 × 132,091.56 - Step 4: Simplify right side
163,642.68x = 32,409,273,188.09 - Step 5: Solve for x
x = 32,409,273,188.09/163,642.68 - Step 6: Final answer
x = 198,049.02
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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.