Finding the Fourth Proportional to 234,168.94, 323,153.12 and 126,738.97
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Solution
The fourth proportional to 234,168.94, 323,153.12 and 126,738.97 is: 174,899.77
Step by Step Solution
- Step 1: Write the proportion equation
234,168.94 : 323,153.12 = 126,738.97 : x - Step 2: Convert to fraction form
234,168.94/323,153.12 = 126,738.97/x - Step 3: Cross multiply
234,168.94x = 323,153.12 × 126,738.97 - Step 4: Simplify right side
234,168.94x = 40,956,092,139.51 - Step 5: Solve for x
x = 40,956,092,139.51/234,168.94 - Step 6: Final answer
x = 174,899.77
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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.