Finding the Fourth Proportional to 88,170.18, 132,227.19 and 28,992.12
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Solution
The fourth proportional to 88,170.18, 132,227.19 and 28,992.12 is: 43,478.95
Step by Step Solution
- Step 1: Write the proportion equation
88,170.18 : 132,227.19 = 28,992.12 : x - Step 2: Convert to fraction form
88,170.18/132,227.19 = 28,992.12/x - Step 3: Cross multiply
88,170.18x = 132,227.19 × 28,992.12 - Step 4: Simplify right side
88,170.18x = 3,833,546,559.74 - Step 5: Solve for x
x = 3,833,546,559.74/88,170.18 - Step 6: Final answer
x = 43,478.95
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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.