Finding the Fourth Proportional to 88,168.68, 132,224.94 and 28,990.62
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Solution
The fourth proportional to 88,168.68, 132,224.94 and 28,990.62 is: 43,476.70
Step by Step Solution
- Step 1: Write the proportion equation
88,168.68 : 132,224.94 = 28,990.62 : x - Step 2: Convert to fraction form
88,168.68/132,224.94 = 28,990.62/x - Step 3: Cross multiply
88,168.68x = 132,224.94 × 28,990.62 - Step 4: Simplify right side
88,168.68x = 3,833,282,990.06 - Step 5: Solve for x
x = 3,833,282,990.06/88,168.68 - Step 6: Final answer
x = 43,476.70
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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.