Finding the Fourth Proportional to 67,148.92, 100,702.75 and 22,161.99
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Solution
The fourth proportional to 67,148.92, 100,702.75 and 22,161.99 is: 33,236.18
Step by Step Solution
- Step 1: Write the proportion equation
67,148.92 : 100,702.75 = 22,161.99 : x - Step 2: Convert to fraction form
67,148.92/100,702.75 = 22,161.99/x - Step 3: Cross multiply
67,148.92x = 100,702.75 × 22,161.99 - Step 4: Simplify right side
67,148.92x = 2,231,773,338.47 - Step 5: Solve for x
x = 2,231,773,338.47/67,148.92 - Step 6: Final answer
x = 33,236.18
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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.