Finding the Fourth Proportional to 354,697.66, 489,493.14 and 193,563.08
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Solution
The fourth proportional to 354,697.66, 489,493.14 and 193,563.08 is: 267,122.72
Step by Step Solution
- Step 1: Write the proportion equation
354,697.66 : 489,493.14 = 193,563.08 : x - Step 2: Convert to fraction form
354,697.66/489,493.14 = 193,563.08/x - Step 3: Cross multiply
354,697.66x = 489,493.14 × 193,563.08 - Step 4: Simplify right side
354,697.66x = 94,747,802,213.77 - Step 5: Solve for x
x = 94,747,802,213.77/354,697.66 - Step 6: Final answer
x = 267,122.72
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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.