Finding the Fourth Proportional to 147,121.50, 220,649.42 and 68,225.48
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Solution
The fourth proportional to 147,121.50, 220,649.42 and 68,225.48 is: 102,323.00
Step by Step Solution
- Step 1: Write the proportion equation
147,121.50 : 220,649.42 = 68,225.48 : x - Step 2: Convert to fraction form
147,121.50/220,649.42 = 68,225.48/x - Step 3: Cross multiply
147,121.50x = 220,649.42 × 68,225.48 - Step 4: Simplify right side
147,121.50x = 15,053,912,591.22 - Step 5: Solve for x
x = 15,053,912,591.22/147,121.50 - Step 6: Final answer
x = 102,323.00
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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.