Finding the Fourth Proportional to 209,233.92, 288,740.48 and 155,758.08
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Solution
The fourth proportional to 209,233.92, 288,740.48 and 155,758.08 is: 214,944.42
Step by Step Solution
- Step 1: Write the proportion equation
209,233.92 : 288,740.48 = 155,758.08 : x - Step 2: Convert to fraction form
209,233.92/288,740.48 = 155,758.08/x - Step 3: Cross multiply
209,233.92x = 288,740.48 × 155,758.08 - Step 4: Simplify right side
209,233.92x = 44,973,662,783.08 - Step 5: Solve for x
x = 44,973,662,783.08/209,233.92 - Step 6: Final answer
x = 214,944.42
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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.