Finding the Fourth Proportional to 334,843.74, 461,767.21 and 219,920.14
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Solution
The fourth proportional to 334,843.74, 461,767.21 and 219,920.14 is: 303,281.49
Step by Step Solution
- Step 1: Write the proportion equation
334,843.74 : 461,767.21 = 219,920.14 : x - Step 2: Convert to fraction form
334,843.74/461,767.21 = 219,920.14/x - Step 3: Cross multiply
334,843.74x = 461,767.21 × 219,920.14 - Step 4: Simplify right side
334,843.74x = 101,551,909,470.61 - Step 5: Solve for x
x = 101,551,909,470.61/334,843.74 - Step 6: Final answer
x = 303,281.49
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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.