Finding the Fourth Proportional to 84,449.28, 116,538.21 and 46,208.68
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Solution
The fourth proportional to 84,449.28, 116,538.21 and 46,208.68 is: 63,766.99
Step by Step Solution
- Step 1: Write the proportion equation
84,449.28 : 116,538.21 = 46,208.68 : x - Step 2: Convert to fraction form
84,449.28/116,538.21 = 46,208.68/x - Step 3: Cross multiply
84,449.28x = 116,538.21 × 46,208.68 - Step 4: Simplify right side
84,449.28x = 5,385,076,562.32 - Step 5: Solve for x
x = 5,385,076,562.32/84,449.28 - Step 6: Final answer
x = 63,766.99
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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.