Finding the Fourth Proportional to 217,206.28, 299,753.04 and 126,620.68
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Solution
The fourth proportional to 217,206.28, 299,753.04 and 126,620.68 is: 174,741.42
Step by Step Solution
- Step 1: Write the proportion equation
217,206.28 : 299,753.04 = 126,620.68 : x - Step 2: Convert to fraction form
217,206.28/299,753.04 = 126,620.68/x - Step 3: Cross multiply
217,206.28x = 299,753.04 × 126,620.68 - Step 4: Simplify right side
217,206.28x = 37,954,933,756.87 - Step 5: Solve for x
x = 37,954,933,756.87/217,206.28 - Step 6: Final answer
x = 174,741.42
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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.