Finding the Fourth Proportional to 212,685.95, 293,519.69 and 117,192.62
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Solution
The fourth proportional to 212,685.95, 293,519.69 and 117,192.62 is: 161,733.02
Step by Step Solution
- Step 1: Write the proportion equation
212,685.95 : 293,519.69 = 117,192.62 : x - Step 2: Convert to fraction form
212,685.95/293,519.69 = 117,192.62/x - Step 3: Cross multiply
212,685.95x = 293,519.69 × 117,192.62 - Step 4: Simplify right side
212,685.95x = 34,398,340,906.72 - Step 5: Solve for x
x = 34,398,340,906.72/212,685.95 - Step 6: Final answer
x = 161,733.02
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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.