Finding the Fourth Proportional to 84,475.14, 126,701.19 and 22,140.42
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Solution
The fourth proportional to 84,475.14, 126,701.19 and 22,140.42 is: 33,207.61
Step by Step Solution
- Step 1: Write the proportion equation
84,475.14 : 126,701.19 = 22,140.42 : x - Step 2: Convert to fraction form
84,475.14/126,701.19 = 22,140.42/x - Step 3: Cross multiply
84,475.14x = 126,701.19 × 22,140.42 - Step 4: Simplify right side
84,475.14x = 2,805,217,561.10 - Step 5: Solve for x
x = 2,805,217,561.10/84,475.14 - Step 6: Final answer
x = 33,207.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.