Finding the Fourth Proportional to 212,133.93, 292,744.75 and 116,646.81
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Solution
The fourth proportional to 212,133.93, 292,744.75 and 116,646.81 is: 160,972.56
Step by Step Solution
- Step 1: Write the proportion equation
212,133.93 : 292,744.75 = 116,646.81 : x - Step 2: Convert to fraction form
212,133.93/292,744.75 = 116,646.81/x - Step 3: Cross multiply
212,133.93x = 292,744.75 × 116,646.81 - Step 4: Simplify right side
212,133.93x = 34,147,741,231.75 - Step 5: Solve for x
x = 34,147,741,231.75/212,133.93 - Step 6: Final answer
x = 160,972.56
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1.5x scale
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.