Finding the Fourth Proportional to 220,113.70, 330,170.55 and 53,901.70
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Solution
The fourth proportional to 220,113.70, 330,170.55 and 53,901.70 is: 80,852.55
Step by Step Solution
- Step 1: Write the proportion equation
220,113.70 : 330,170.55 = 53,901.70 : x - Step 2: Convert to fraction form
220,113.70/330,170.55 = 53,901.70/x - Step 3: Cross multiply
220,113.70x = 330,170.55 × 53,901.70 - Step 4: Simplify right side
220,113.70x = 17,796,753,934.94 - Step 5: Solve for x
x = 17,796,753,934.94/220,113.70 - Step 6: Final answer
x = 80,852.55
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Similar ratio
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1.5x scale
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.