Finding the Fourth Proportional to 251,418.43, 377,119.19 and 109,263.70
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Solution
The fourth proportional to 251,418.43, 377,119.19 and 109,263.70 is: 163,891.88
Step by Step Solution
- Step 1: Write the proportion equation
251,418.43 : 377,119.19 = 109,263.70 : x - Step 2: Convert to fraction form
251,418.43/377,119.19 = 109,263.70/x - Step 3: Cross multiply
251,418.43x = 377,119.19 × 109,263.70 - Step 4: Simplify right side
251,418.43x = 41,205,438,784.96 - Step 5: Solve for x
x = 41,205,438,784.96/251,418.43 - Step 6: Final answer
x = 163,891.88
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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.