Finding the Fourth Proportional to 84,217.26, 116,219.80 and 46,491.78
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Solution
The fourth proportional to 84,217.26, 116,219.80 and 46,491.78 is: 64,158.65
Step by Step Solution
- Step 1: Write the proportion equation
84,217.26 : 116,219.80 = 46,491.78 : x - Step 2: Convert to fraction form
84,217.26/116,219.80 = 46,491.78/x - Step 3: Cross multiply
84,217.26x = 116,219.80 × 46,491.78 - Step 4: Simplify right side
84,217.26x = 5,403,265,373.24 - Step 5: Solve for x
x = 5,403,265,373.24/84,217.26 - Step 6: Final answer
x = 64,158.65
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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.