Finding the Fourth Proportional to 151,135.26, 208,567.86 and 84,067.26
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Solution
The fourth proportional to 151,135.26, 208,567.86 and 84,067.26 is: 116,013.49
Step by Step Solution
- Step 1: Write the proportion equation
151,135.26 : 208,567.86 = 84,067.26 : x - Step 2: Convert to fraction form
151,135.26/208,567.86 = 84,067.26/x - Step 3: Cross multiply
151,135.26x = 208,567.86 × 84,067.26 - Step 4: Simplify right side
151,135.26x = 17,533,728,514.26 - Step 5: Solve for x
x = 17,533,728,514.26/151,135.26 - Step 6: Final answer
x = 116,013.49
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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.