Finding the Fourth Proportional to 151,370.75, 208,891.64 and 84,302.75
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Solution
The fourth proportional to 151,370.75, 208,891.64 and 84,302.75 is: 116,337.80
Step by Step Solution
- Step 1: Write the proportion equation
151,370.75 : 208,891.64 = 84,302.75 : x - Step 2: Convert to fraction form
151,370.75/208,891.64 = 84,302.75/x - Step 3: Cross multiply
151,370.75x = 208,891.64 × 84,302.75 - Step 4: Simplify right side
151,370.75x = 17,610,139,704.01 - Step 5: Solve for x
x = 17,610,139,704.01/151,370.75 - Step 6: Final answer
x = 116,337.80
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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.