Finding the Fourth Proportional to 209,232.87, 288,735.28 and 118,597.18
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Solution
The fourth proportional to 209,232.87, 288,735.28 and 118,597.18 is: 163,660.66
Step by Step Solution
- Step 1: Write the proportion equation
209,232.87 : 288,735.28 = 118,597.18 : x - Step 2: Convert to fraction form
209,232.87/288,735.28 = 118,597.18/x - Step 3: Cross multiply
209,232.87x = 288,735.28 × 118,597.18 - Step 4: Simplify right side
209,232.87x = 34,243,189,974.51 - Step 5: Solve for x
x = 34,243,189,974.51/209,232.87 - Step 6: Final answer
x = 163,660.66
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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.