Finding the Fourth Proportional to 287,375.88, 430,960.08 and 121,176.84
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Solution
The fourth proportional to 287,375.88, 430,960.08 and 121,176.84 is: 181,721.52
Step by Step Solution
- Step 1: Write the proportion equation
287,375.88 : 430,960.08 = 121,176.84 : x - Step 2: Convert to fraction form
287,375.88/430,960.08 = 121,176.84/x - Step 3: Cross multiply
287,375.88x = 430,960.08 × 121,176.84 - Step 4: Simplify right side
287,375.88x = 52,222,380,660.55 - Step 5: Solve for x
x = 52,222,380,660.55/287,375.88 - Step 6: Final answer
x = 181,721.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.