Finding the Fourth Proportional to 84,276.90, 126,452.16 and 49,216.68
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Solution
The fourth proportional to 84,276.90, 126,452.16 and 49,216.68 is: 73,846.52
Step by Step Solution
- Step 1: Write the proportion equation
84,276.90 : 126,452.16 = 49,216.68 : x - Step 2: Convert to fraction form
84,276.90/126,452.16 = 49,216.68/x - Step 3: Cross multiply
84,276.90x = 126,452.16 × 49,216.68 - Step 4: Simplify right side
84,276.90x = 6,223,555,494.03 - Step 5: Solve for x
x = 6,223,555,494.03/84,276.90 - Step 6: Final answer
x = 73,846.52
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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.