Finding the Fourth Proportional to 252,406.68, 378,410.16 and 125,981.88
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Solution
The fourth proportional to 252,406.68, 378,410.16 and 125,981.88 is: 188,873.07
Step by Step Solution
- Step 1: Write the proportion equation
252,406.68 : 378,410.16 = 125,981.88 : x - Step 2: Convert to fraction form
252,406.68/378,410.16 = 125,981.88/x - Step 3: Cross multiply
252,406.68x = 378,410.16 × 125,981.88 - Step 4: Simplify right side
252,406.68x = 47,672,823,367.90 - Step 5: Solve for x
x = 47,672,823,367.90/252,406.68 - Step 6: Final answer
x = 188,873.07
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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.