Finding the Fourth Proportional to 168,777.30, 252,944.49 and 124,195.30
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Solution
The fourth proportional to 168,777.30, 252,944.49 and 124,195.30 is: 186,129.99
Step by Step Solution
- Step 1: Write the proportion equation
168,777.30 : 252,944.49 = 124,195.30 : x - Step 2: Convert to fraction form
168,777.30/252,944.49 = 124,195.30/x - Step 3: Cross multiply
168,777.30x = 252,944.49 × 124,195.30 - Step 4: Simplify right side
168,777.30x = 31,414,516,818.90 - Step 5: Solve for x
x = 31,414,516,818.90/168,777.30 - Step 6: Final answer
x = 186,129.99
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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.