Finding the Fourth Proportional to 274,550.67, 378,877.91 and 153,691.65
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Solution
The fourth proportional to 274,550.67, 378,877.91 and 153,691.65 is: 212,093.35
Step by Step Solution
- Step 1: Write the proportion equation
274,550.67 : 378,877.91 = 153,691.65 : x - Step 2: Convert to fraction form
274,550.67/378,877.91 = 153,691.65/x - Step 3: Cross multiply
274,550.67x = 378,877.91 × 153,691.65 - Step 4: Simplify right side
274,550.67x = 58,230,370,367.99 - Step 5: Solve for x
x = 58,230,370,367.99/274,550.67 - Step 6: Final answer
x = 212,093.35
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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.