Finding the Fourth Proportional to 193,864.96, 267,557.75 and 108,982.09
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Solution
The fourth proportional to 193,864.96, 267,557.75 and 108,982.09 is: 150,408.84
Step by Step Solution
- Step 1: Write the proportion equation
193,864.96 : 267,557.75 = 108,982.09 : x - Step 2: Convert to fraction form
193,864.96/267,557.75 = 108,982.09/x - Step 3: Cross multiply
193,864.96x = 267,557.75 × 108,982.09 - Step 4: Simplify right side
193,864.96x = 29,159,002,790.70 - Step 5: Solve for x
x = 29,159,002,790.70/193,864.96 - Step 6: Final answer
x = 150,408.84
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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.