Finding the Fourth Proportional to 354,690.18, 489,473.69 and 193,548.78
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Solution
The fourth proportional to 354,690.18, 489,473.69 and 193,548.78 is: 267,097.99
Step by Step Solution
- Step 1: Write the proportion equation
354,690.18 : 489,473.69 = 193,548.78 : x - Step 2: Convert to fraction form
354,690.18/489,473.69 = 193,548.78/x - Step 3: Cross multiply
354,690.18x = 489,473.69 × 193,548.78 - Step 4: Simplify right side
354,690.18x = 94,737,034,573.85 - Step 5: Solve for x
x = 94,737,034,573.85/354,690.18 - Step 6: Final answer
x = 267,097.99
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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.