Finding the Fourth Proportional to 162,212.66, 222,227.62 and 156,147.99
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Solution
The fourth proportional to 162,212.66, 222,227.62 and 156,147.99 is: 213,919.16
Step by Step Solution
- Step 1: Write the proportion equation
162,212.66 : 222,227.62 = 156,147.99 : x - Step 2: Convert to fraction form
162,212.66/222,227.62 = 156,147.99/x - Step 3: Cross multiply
162,212.66x = 222,227.62 × 156,147.99 - Step 4: Simplify right side
162,212.66x = 34,700,396,211.79 - Step 5: Solve for x
x = 34,700,396,211.79/162,212.66 - Step 6: Final answer
x = 213,919.16
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.