Finding the Fourth Proportional to 102,538.05, 153,806.62 and 27,665.80
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Solution
The fourth proportional to 102,538.05, 153,806.62 and 27,665.80 is: 41,498.58
Step by Step Solution
- Step 1: Write the proportion equation
102,538.05 : 153,806.62 = 27,665.80 : x - Step 2: Convert to fraction form
102,538.05/153,806.62 = 27,665.80/x - Step 3: Cross multiply
102,538.05x = 153,806.62 × 27,665.80 - Step 4: Simplify right side
102,538.05x = 4,255,183,728.76 - Step 5: Solve for x
x = 4,255,183,728.76/102,538.05 - Step 6: Final answer
x = 41,498.58
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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.