Finding the Fourth Proportional to 209,225.65, 288,727.99 and 113,734.75
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Solution
The fourth proportional to 209,225.65, 288,727.99 and 113,734.75 is: 156,952.10
Step by Step Solution
- Step 1: Write the proportion equation
209,225.65 : 288,727.99 = 113,734.75 : x - Step 2: Convert to fraction form
209,225.65/288,727.99 = 113,734.75/x - Step 3: Cross multiply
209,225.65x = 288,727.99 × 113,734.75 - Step 4: Simplify right side
209,225.65x = 32,838,405,760.65 - Step 5: Solve for x
x = 32,838,405,760.65/209,225.65 - Step 6: Final answer
x = 156,952.10
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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.