Finding the Fourth Proportional to 234,219.36, 323,223.30 and 126,790.68
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Solution
The fourth proportional to 234,219.36, 323,223.30 and 126,790.68 is: 174,971.45
Step by Step Solution
- Step 1: Write the proportion equation
234,219.36 : 323,223.30 = 126,790.68 : x - Step 2: Convert to fraction form
234,219.36/323,223.30 = 126,790.68/x - Step 3: Cross multiply
234,219.36x = 323,223.30 × 126,790.68 - Step 4: Simplify right side
234,219.36x = 40,981,701,998.84 - Step 5: Solve for x
x = 40,981,701,998.84/234,219.36 - Step 6: Final answer
x = 174,971.45
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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.