Finding the Fourth Proportional to 251,803.20, 377,704.84 and 83,278.29
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Solution
The fourth proportional to 251,803.20, 377,704.84 and 83,278.29 is: 124,917.45
Step by Step Solution
- Step 1: Write the proportion equation
251,803.20 : 377,704.84 = 83,278.29 : x - Step 2: Convert to fraction form
251,803.20/377,704.84 = 83,278.29/x - Step 3: Cross multiply
251,803.20x = 377,704.84 × 83,278.29 - Step 4: Simplify right side
251,803.20x = 31,454,613,199.92 - Step 5: Solve for x
x = 31,454,613,199.92/251,803.20 - Step 6: Final answer
x = 124,917.45
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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.