Finding the Fourth Proportional to 84,218.06, 116,220.21 and 46,491.50
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Solution
The fourth proportional to 84,218.06, 116,220.21 and 46,491.50 is: 64,157.88
Step by Step Solution
- Step 1: Write the proportion equation
84,218.06 : 116,220.21 = 46,491.50 : x - Step 2: Convert to fraction form
84,218.06/116,220.21 = 46,491.50/x - Step 3: Cross multiply
84,218.06x = 116,220.21 × 46,491.50 - Step 4: Simplify right side
84,218.06x = 5,403,251,893.22 - Step 5: Solve for x
x = 5,403,251,893.22/84,218.06 - Step 6: Final answer
x = 64,157.88
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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.