Finding the Fourth Proportional to 151,369.75, 208,890.26 and 84,301.75
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Solution
The fourth proportional to 151,369.75, 208,890.26 and 84,301.75 is: 116,336.42
Step by Step Solution
- Step 1: Write the proportion equation
151,369.75 : 208,890.26 = 84,301.75 : x - Step 2: Convert to fraction form
151,369.75/208,890.26 = 84,301.75/x - Step 3: Cross multiply
151,369.75x = 208,890.26 × 84,301.75 - Step 4: Simplify right side
151,369.75x = 17,609,814,475.96 - Step 5: Solve for x
x = 17,609,814,475.96/151,369.75 - Step 6: Final answer
x = 116,336.42
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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.