Finding the Fourth Proportional to 215,186.52, 322,869.42 and 115,321.08
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Solution
The fourth proportional to 215,186.52, 322,869.42 and 115,321.08 is: 173,029.66
Step by Step Solution
- Step 1: Write the proportion equation
215,186.52 : 322,869.42 = 115,321.08 : x - Step 2: Convert to fraction form
215,186.52/322,869.42 = 115,321.08/x - Step 3: Cross multiply
215,186.52x = 322,869.42 × 115,321.08 - Step 4: Simplify right side
215,186.52x = 37,233,650,213.37 - Step 5: Solve for x
x = 37,233,650,213.37/215,186.52 - Step 6: Final answer
x = 173,029.66
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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.