Finding the Fourth Proportional to 81,463.16, 122,194.86 and 22,296.44
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Solution
The fourth proportional to 81,463.16, 122,194.86 and 22,296.44 is: 33,444.69
Step by Step Solution
- Step 1: Write the proportion equation
81,463.16 : 122,194.86 = 22,296.44 : x - Step 2: Convert to fraction form
81,463.16/122,194.86 = 22,296.44/x - Step 3: Cross multiply
81,463.16x = 122,194.86 × 22,296.44 - Step 4: Simplify right side
81,463.16x = 2,724,510,364.30 - Step 5: Solve for x
x = 2,724,510,364.30/81,463.16 - Step 6: Final answer
x = 33,444.69
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1.5x scale
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.