Finding the Fourth Proportional to 252,201.04, 378,356.92 and 74,721.92
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Solution
The fourth proportional to 252,201.04, 378,356.92 and 74,721.92 is: 112,099.28
Step by Step Solution
- Step 1: Write the proportion equation
252,201.04 : 378,356.92 = 74,721.92 : x - Step 2: Convert to fraction form
252,201.04/378,356.92 = 74,721.92/x - Step 3: Cross multiply
252,201.04x = 378,356.92 × 74,721.92 - Step 4: Simplify right side
252,201.04x = 28,271,555,507.69 - Step 5: Solve for x
x = 28,271,555,507.69/252,201.04 - Step 6: Final answer
x = 112,099.28
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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.