Finding the Fourth Proportional to 338,829.19, 467,575.88 and 193,625.75
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Solution
The fourth proportional to 338,829.19, 467,575.88 and 193,625.75 is: 267,198.74
Step by Step Solution
- Step 1: Write the proportion equation
338,829.19 : 467,575.88 = 193,625.75 : x - Step 2: Convert to fraction form
338,829.19/467,575.88 = 193,625.75/x - Step 3: Cross multiply
338,829.19x = 467,575.88 × 193,625.75 - Step 4: Simplify right side
338,829.19x = 90,534,730,647.72 - Step 5: Solve for x
x = 90,534,730,647.72/338,829.19 - Step 6: Final answer
x = 267,198.74
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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.