Finding the Fourth Proportional to 212,719.91, 293,559.62 and 117,232.75
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Solution
The fourth proportional to 212,719.91, 293,559.62 and 117,232.75 is: 161,784.58
Step by Step Solution
- Step 1: Write the proportion equation
212,719.91 : 293,559.62 = 117,232.75 : x - Step 2: Convert to fraction form
212,719.91/293,559.62 = 117,232.75/x - Step 3: Cross multiply
212,719.91x = 293,559.62 × 117,232.75 - Step 4: Simplify right side
212,719.91x = 34,414,800,221.49 - Step 5: Solve for x
x = 34,414,800,221.49/212,719.91 - Step 6: Final answer
x = 161,784.58
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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.