Finding the Fourth Proportional to 354,690.68, 489,466.50 and 193,541.72
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Solution
The fourth proportional to 354,690.68, 489,466.50 and 193,541.72 is: 267,083.95
Step by Step Solution
- Step 1: Write the proportion equation
354,690.68 : 489,466.50 = 193,541.72 : x - Step 2: Convert to fraction form
354,690.68/489,466.50 = 193,541.72/x - Step 3: Cross multiply
354,690.68x = 489,466.50 × 193,541.72 - Step 4: Simplify right side
354,690.68x = 94,732,188,292.38 - Step 5: Solve for x
x = 94,732,188,292.38/354,690.68 - Step 6: Final answer
x = 267,083.95
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1.5x scale
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.