Finding the Fourth Proportional to 234,170.10, 323,155.26 and 126,741.06
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Solution
The fourth proportional to 234,170.10, 323,155.26 and 126,741.06 is: 174,902.95
Step by Step Solution
- Step 1: Write the proportion equation
234,170.10 : 323,155.26 = 126,741.06 : x - Step 2: Convert to fraction form
234,170.10/323,155.26 = 126,741.06/x - Step 3: Cross multiply
234,170.10x = 323,155.26 × 126,741.06 - Step 4: Simplify right side
234,170.10x = 40,957,040,196.98 - Step 5: Solve for x
x = 40,957,040,196.98/234,170.10 - Step 6: Final answer
x = 174,902.95
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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.