Finding the Fourth Proportional to 260,832.69, 391,216.37 and 83,324.97
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Solution
The fourth proportional to 260,832.69, 391,216.37 and 83,324.97 is: 124,977.02
Step by Step Solution
- Step 1: Write the proportion equation
260,832.69 : 391,216.37 = 83,324.97 : x - Step 2: Convert to fraction form
260,832.69/391,216.37 = 83,324.97/x - Step 3: Cross multiply
260,832.69x = 391,216.37 × 83,324.97 - Step 4: Simplify right side
260,832.69x = 32,598,091,877.13 - Step 5: Solve for x
x = 32,598,091,877.13/260,832.69 - Step 6: Final answer
x = 124,977.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.