Finding the Fourth Proportional to 84,274.70, 126,268.14 and 46,355.68
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Solution
The fourth proportional to 84,274.70, 126,268.14 and 46,355.68 is: 69,454.37
Step by Step Solution
- Step 1: Write the proportion equation
84,274.70 : 126,268.14 = 46,355.68 : x - Step 2: Convert to fraction form
84,274.70/126,268.14 = 46,355.68/x - Step 3: Cross multiply
84,274.70x = 126,268.14 × 46,355.68 - Step 4: Simplify right side
84,274.70x = 5,853,245,476.04 - Step 5: Solve for x
x = 5,853,245,476.04/84,274.70 - Step 6: Final answer
x = 69,454.37
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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.