Finding the Fourth Proportional to 209,237.65, 288,744.55 and 113,746.75
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Solution
The fourth proportional to 209,237.65, 288,744.55 and 113,746.75 is: 156,968.66
Step by Step Solution
- Step 1: Write the proportion equation
209,237.65 : 288,744.55 = 113,746.75 : x - Step 2: Convert to fraction form
209,237.65/288,744.55 = 113,746.75/x - Step 3: Cross multiply
209,237.65x = 288,744.55 × 113,746.75 - Step 4: Simplify right side
209,237.65x = 32,843,754,142.71 - Step 5: Solve for x
x = 32,843,754,142.71/209,237.65 - Step 6: Final answer
x = 156,968.66
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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.