Finding the Fourth Proportional to 84,415.68, 126,614.88 and 22,078.08
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Solution
The fourth proportional to 84,415.68, 126,614.88 and 22,078.08 is: 33,114.86
Step by Step Solution
- Step 1: Write the proportion equation
84,415.68 : 126,614.88 = 22,078.08 : x - Step 2: Convert to fraction form
84,415.68/126,614.88 = 22,078.08/x - Step 3: Cross multiply
84,415.68x = 126,614.88 × 22,078.08 - Step 4: Simplify right side
84,415.68x = 2,795,413,449.83 - Step 5: Solve for x
x = 2,795,413,449.83/84,415.68 - Step 6: Final answer
x = 33,114.86
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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.