Finding the Fourth Proportional to 193,625.80, 290,438.70 and 160,857.80
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Solution
The fourth proportional to 193,625.80, 290,438.70 and 160,857.80 is: 241,286.70
Step by Step Solution
- Step 1: Write the proportion equation
193,625.80 : 290,438.70 = 160,857.80 : x - Step 2: Convert to fraction form
193,625.80/290,438.70 = 160,857.80/x - Step 3: Cross multiply
193,625.80x = 290,438.70 × 160,857.80 - Step 4: Simplify right side
193,625.80x = 46,719,330,316.86 - Step 5: Solve for x
x = 46,719,330,316.86/193,625.80 - Step 6: Final answer
x = 241,286.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.