Finding the Fourth Proportional to 252,349.97, 378,603.90 and 74,857.91
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Solution
The fourth proportional to 252,349.97, 378,603.90 and 74,857.91 is: 112,310.28
Step by Step Solution
- Step 1: Write the proportion equation
252,349.97 : 378,603.90 = 74,857.91 : x - Step 2: Convert to fraction form
252,349.97/378,603.90 = 74,857.91/x - Step 3: Cross multiply
252,349.97x = 378,603.90 × 74,857.91 - Step 4: Simplify right side
252,349.97x = 28,341,494,778.83 - Step 5: Solve for x
x = 28,341,494,778.83/252,349.97 - Step 6: Final answer
x = 112,310.28
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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.