Finding the Fourth Proportional to 215,938.82, 323,908.23 and 110,690.66
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Solution
The fourth proportional to 215,938.82, 323,908.23 and 110,690.66 is: 166,035.99
Step by Step Solution
- Step 1: Write the proportion equation
215,938.82 : 323,908.23 = 110,690.66 : x - Step 2: Convert to fraction form
215,938.82/323,908.23 = 110,690.66/x - Step 3: Cross multiply
215,938.82x = 323,908.23 × 110,690.66 - Step 4: Simplify right side
215,938.82x = 35,853,615,758.13 - Step 5: Solve for x
x = 35,853,615,758.13/215,938.82 - Step 6: Final answer
x = 166,035.99
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1.5x scale
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.