Finding the Fourth Proportional to 318,976.17, 440,250.86 and 183,101.97
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Solution
The fourth proportional to 318,976.17, 440,250.86 and 183,101.97 is: 252,717.31
Step by Step Solution
- Step 1: Write the proportion equation
318,976.17 : 440,250.86 = 183,101.97 : x - Step 2: Convert to fraction form
318,976.17/440,250.86 = 183,101.97/x - Step 3: Cross multiply
318,976.17x = 440,250.86 × 183,101.97 - Step 4: Simplify right side
318,976.17x = 80,610,799,760.19 - Step 5: Solve for x
x = 80,610,799,760.19/318,976.17 - Step 6: Final answer
x = 252,717.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.