Finding the Fourth Proportional to 252,225.02, 378,392.88 and 74,745.92
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Solution
The fourth proportional to 252,225.02, 378,392.88 and 74,745.92 is: 112,135.28
Step by Step Solution
- Step 1: Write the proportion equation
252,225.02 : 378,392.88 = 74,745.92 : x - Step 2: Convert to fraction form
252,225.02/378,392.88 = 74,745.92/x - Step 3: Cross multiply
252,225.02x = 378,392.88 × 74,745.92 - Step 4: Simplify right side
252,225.02x = 28,283,323,937.05 - Step 5: Solve for x
x = 28,283,323,937.05/252,225.02 - Step 6: Final answer
x = 112,135.28
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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.