Finding the Fourth Proportional to 293,616.63, 405,177.39 and 166,293.14
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Solution
The fourth proportional to 293,616.63, 405,177.39 and 166,293.14 is: 229,476.85
Step by Step Solution
- Step 1: Write the proportion equation
293,616.63 : 405,177.39 = 166,293.14 : x - Step 2: Convert to fraction form
293,616.63/405,177.39 = 166,293.14/x - Step 3: Cross multiply
293,616.63x = 405,177.39 × 166,293.14 - Step 4: Simplify right side
293,616.63x = 67,378,218,414.22 - Step 5: Solve for x
x = 67,378,218,414.22/293,616.63 - Step 6: Final answer
x = 229,476.85
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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.