Finding the Fourth Proportional to 212,722.86, 293,556.12 and 117,229.62
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Solution
The fourth proportional to 212,722.86, 293,556.12 and 117,229.62 is: 161,776.09
Step by Step Solution
- Step 1: Write the proportion equation
212,722.86 : 293,556.12 = 117,229.62 : x - Step 2: Convert to fraction form
212,722.86/293,556.12 = 117,229.62/x - Step 3: Cross multiply
212,722.86x = 293,556.12 × 117,229.62 - Step 4: Simplify right side
212,722.86x = 34,413,472,396.27 - Step 5: Solve for x
x = 34,413,472,396.27/212,722.86 - Step 6: Final answer
x = 161,776.09
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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.