Finding the Fourth Proportional to 193,986.99, 267,699.48 and 109,104.05
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Solution
The fourth proportional to 193,986.99, 267,699.48 and 109,104.05 is: 150,562.15
Step by Step Solution
- Step 1: Write the proportion equation
193,986.99 : 267,699.48 = 109,104.05 : x - Step 2: Convert to fraction form
193,986.99/267,699.48 = 109,104.05/x - Step 3: Cross multiply
193,986.99x = 267,699.48 × 109,104.05 - Step 4: Simplify right side
193,986.99x = 29,207,098,120.14 - Step 5: Solve for x
x = 29,207,098,120.14/193,986.99 - Step 6: Final answer
x = 150,562.15
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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.