Finding the Fourth Proportional to 251,734.91, 377,601.84 and 74,366.46
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Solution
The fourth proportional to 251,734.91, 377,601.84 and 74,366.46 is: 111,549.54
Step by Step Solution
- Step 1: Write the proportion equation
251,734.91 : 377,601.84 = 74,366.46 : x - Step 2: Convert to fraction form
251,734.91/377,601.84 = 74,366.46/x - Step 3: Cross multiply
251,734.91x = 377,601.84 × 74,366.46 - Step 4: Simplify right side
251,734.91x = 28,080,912,130.29 - Step 5: Solve for x
x = 28,080,912,130.29/251,734.91 - Step 6: Final answer
x = 111,549.54
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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.