Finding the Fourth Proportional to 151,804.62, 209,549.45 and 135,861.38
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Solution
The fourth proportional to 151,804.62, 209,549.45 and 135,861.38 is: 187,541.57
Step by Step Solution
- Step 1: Write the proportion equation
151,804.62 : 209,549.45 = 135,861.38 : x - Step 2: Convert to fraction form
151,804.62/209,549.45 = 135,861.38/x - Step 3: Cross multiply
151,804.62x = 209,549.45 × 135,861.38 - Step 4: Simplify right side
151,804.62x = 28,469,677,455.24 - Step 5: Solve for x
x = 28,469,677,455.24/151,804.62 - Step 6: Final answer
x = 187,541.57
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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.