Finding the Fourth Proportional to 378,877.93, 567,824.82 and 153,976.65
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Solution
The fourth proportional to 378,877.93, 567,824.82 and 153,976.65 is: 230,764.99
Step by Step Solution
- Step 1: Write the proportion equation
378,877.93 : 567,824.82 = 153,976.65 : x - Step 2: Convert to fraction form
378,877.93/567,824.82 = 153,976.65/x - Step 3: Cross multiply
378,877.93x = 567,824.82 × 153,976.65 - Step 4: Simplify right side
378,877.93x = 87,431,761,513.29 - Step 5: Solve for x
x = 87,431,761,513.29/378,877.93 - Step 6: Final answer
x = 230,764.99
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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.