Finding the Fourth Proportional to 261,269.24, 389,734.92 and 252,523.10
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Solution
The fourth proportional to 261,269.24, 389,734.92 and 252,523.10 is: 376,688.32
Step by Step Solution
- Step 1: Write the proportion equation
261,269.24 : 389,734.92 = 252,523.10 : x - Step 2: Convert to fraction form
261,269.24/389,734.92 = 252,523.10/x - Step 3: Cross multiply
261,269.24x = 389,734.92 × 252,523.10 - Step 4: Simplify right side
261,269.24x = 98,417,070,176.65 - Step 5: Solve for x
x = 98,417,070,176.65/261,269.24 - Step 6: Final answer
x = 376,688.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.