Finding the Fourth Proportional to 234,207.28, 323,206.20 and 126,778.20
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Solution
The fourth proportional to 234,207.28, 323,206.20 and 126,778.20 is: 174,953.99
Step by Step Solution
- Step 1: Write the proportion equation
234,207.28 : 323,206.20 = 126,778.20 : x - Step 2: Convert to fraction form
234,207.28/323,206.20 = 126,778.20/x - Step 3: Cross multiply
234,207.28x = 323,206.20 × 126,778.20 - Step 4: Simplify right side
234,207.28x = 40,975,499,052.82 - Step 5: Solve for x
x = 40,975,499,052.82/234,207.28 - Step 6: Final answer
x = 174,953.99
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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.