Finding the Fourth Proportional to 138,059.92, 207,044.80 and 44,543.80
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Solution
The fourth proportional to 138,059.92, 207,044.80 and 44,543.80 is: 66,801.16
Step by Step Solution
- Step 1: Write the proportion equation
138,059.92 : 207,044.80 = 44,543.80 : x - Step 2: Convert to fraction form
138,059.92/207,044.80 = 44,543.80/x - Step 3: Cross multiply
138,059.92x = 207,044.80 × 44,543.80 - Step 4: Simplify right side
138,059.92x = 9,222,562,162.24 - Step 5: Solve for x
x = 9,222,562,162.24/138,059.92 - Step 6: Final answer
x = 66,801.16
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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.