Finding the Fourth Proportional to 331,585.62, 496,988.88 and 153,718.26
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Solution
The fourth proportional to 331,585.62, 496,988.88 and 153,718.26 is: 230,396.80
Step by Step Solution
- Step 1: Write the proportion equation
331,585.62 : 496,988.88 = 153,718.26 : x - Step 2: Convert to fraction form
331,585.62/496,988.88 = 153,718.26/x - Step 3: Cross multiply
331,585.62x = 496,988.88 × 153,718.26 - Step 4: Simplify right side
331,585.62x = 76,396,265,872.95 - Step 5: Solve for x
x = 76,396,265,872.95/331,585.62 - Step 6: Final answer
x = 230,396.80
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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.