Finding the Fourth Proportional to 160,793.22, 221,880.09 and 89,173.02
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Solution
The fourth proportional to 160,793.22, 221,880.09 and 89,173.02 is: 123,050.70
Step by Step Solution
- Step 1: Write the proportion equation
160,793.22 : 221,880.09 = 89,173.02 : x - Step 2: Convert to fraction form
160,793.22/221,880.09 = 89,173.02/x - Step 3: Cross multiply
160,793.22x = 221,880.09 × 89,173.02 - Step 4: Simplify right side
160,793.22x = 19,785,717,703.17 - Step 5: Solve for x
x = 19,785,717,703.17/160,793.22 - Step 6: Final answer
x = 123,050.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.