Finding the Fourth Proportional to 358,120.75, 494,335.19 and 212,926.19
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Solution
The fourth proportional to 358,120.75, 494,335.19 and 212,926.19 is: 293,914.58
Step by Step Solution
- Step 1: Write the proportion equation
358,120.75 : 494,335.19 = 212,926.19 : x - Step 2: Convert to fraction form
358,120.75/494,335.19 = 212,926.19/x - Step 3: Cross multiply
358,120.75x = 494,335.19 × 212,926.19 - Step 4: Simplify right side
358,120.75x = 105,256,908,589.63 - Step 5: Solve for x
x = 105,256,908,589.63/358,120.75 - Step 6: Final answer
x = 293,914.58
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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.