Finding the Fourth Proportional to 186,161.19, 279,047.36 and 91,259.97
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Solution
The fourth proportional to 186,161.19, 279,047.36 and 91,259.97 is: 136,794.64
Step by Step Solution
- Step 1: Write the proportion equation
186,161.19 : 279,047.36 = 91,259.97 : x - Step 2: Convert to fraction form
186,161.19/279,047.36 = 91,259.97/x - Step 3: Cross multiply
186,161.19x = 279,047.36 × 91,259.97 - Step 4: Simplify right side
186,161.19x = 25,465,853,702.18 - Step 5: Solve for x
x = 25,465,853,702.18/186,161.19 - Step 6: Final answer
x = 136,794.64
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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.