Finding the Fourth Proportional to 354,797.15, 489,619.90 and 193,652.18
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Solution
The fourth proportional to 354,797.15, 489,619.90 and 193,652.18 is: 267,239.92
Step by Step Solution
- Step 1: Write the proportion equation
354,797.15 : 489,619.90 = 193,652.18 : x - Step 2: Convert to fraction form
354,797.15/489,619.90 = 193,652.18/x - Step 3: Cross multiply
354,797.15x = 489,619.90 × 193,652.18 - Step 4: Simplify right side
354,797.15x = 94,815,960,636.42 - Step 5: Solve for x
x = 94,815,960,636.42/354,797.15 - Step 6: Final answer
x = 267,239.92
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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.