Finding the Fourth Proportional to 354,972.14, 489,863.35 and 193,827.19
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Solution
The fourth proportional to 354,972.14, 489,863.35 and 193,827.19 is: 267,482.50
Step by Step Solution
- Step 1: Write the proportion equation
354,972.14 : 489,863.35 = 193,827.19 : x - Step 2: Convert to fraction form
354,972.14/489,863.35 = 193,827.19/x - Step 3: Cross multiply
354,972.14x = 489,863.35 × 193,827.19 - Step 4: Simplify right side
354,972.14x = 94,948,836,907.42 - Step 5: Solve for x
x = 94,948,836,907.42/354,972.14 - Step 6: Final answer
x = 267,482.50
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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.