Finding the Fourth Proportional to 354,971.54, 489,841.62 and 193,824.20
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Solution
The fourth proportional to 354,971.54, 489,841.62 and 193,824.20 is: 267,466.96
Step by Step Solution
- Step 1: Write the proportion equation
354,971.54 : 489,841.62 = 193,824.20 : x - Step 2: Convert to fraction form
354,971.54/489,841.62 = 193,824.20/x - Step 3: Cross multiply
354,971.54x = 489,841.62 × 193,824.20 - Step 4: Simplify right side
354,971.54x = 94,943,160,123.20 - Step 5: Solve for x
x = 94,943,160,123.20/354,971.54 - Step 6: Final answer
x = 267,466.96
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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.