Finding the Fourth Proportional to 354,734.24, 489,543.62 and 193,599.63
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Solution
The fourth proportional to 354,734.24, 489,543.62 and 193,599.63 is: 267,173.15
Step by Step Solution
- Step 1: Write the proportion equation
354,734.24 : 489,543.62 = 193,599.63 : x - Step 2: Convert to fraction form
354,734.24/489,543.62 = 193,599.63/x - Step 3: Cross multiply
354,734.24x = 489,543.62 × 193,599.63 - Step 4: Simplify right side
354,734.24x = 94,775,462,732.86 - Step 5: Solve for x
x = 94,775,462,732.86/354,734.24 - Step 6: Final answer
x = 267,173.15
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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.