Finding the Fourth Proportional to 354,639.07, 489,392.40 and 193,494.07
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Solution
The fourth proportional to 354,639.07, 489,392.40 and 193,494.07 is: 267,016.62
Step by Step Solution
- Step 1: Write the proportion equation
354,639.07 : 489,392.40 = 193,494.07 : x - Step 2: Convert to fraction form
354,639.07/489,392.40 = 193,494.07/x - Step 3: Cross multiply
354,639.07x = 489,392.40 × 193,494.07 - Step 4: Simplify right side
354,639.07x = 94,694,527,303.07 - Step 5: Solve for x
x = 94,694,527,303.07/354,639.07 - Step 6: Final answer
x = 267,016.62
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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.