Finding the Fourth Proportional to 208,191.92, 287,230.20 and 118,716.08
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Solution
The fourth proportional to 208,191.92, 287,230.20 and 118,716.08 is: 163,785.62
Step by Step Solution
- Step 1: Write the proportion equation
208,191.92 : 287,230.20 = 118,716.08 : x - Step 2: Convert to fraction form
208,191.92/287,230.20 = 118,716.08/x - Step 3: Cross multiply
208,191.92x = 287,230.20 × 118,716.08 - Step 4: Simplify right side
208,191.92x = 34,098,843,401.62 - Step 5: Solve for x
x = 34,098,843,401.62/208,191.92 - Step 6: Final answer
x = 163,785.62
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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.