Finding the Fourth Proportional to 220,115.70, 330,173.55 and 220,115.70
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Solution
The fourth proportional to 220,115.70, 330,173.55 and 220,115.70 is: 330,173.55
Step by Step Solution
- Step 1: Write the proportion equation
220,115.70 : 330,173.55 = 220,115.70 : x - Step 2: Convert to fraction form
220,115.70/330,173.55 = 220,115.70/x - Step 3: Cross multiply
220,115.70x = 330,173.55 × 220,115.70 - Step 4: Simplify right side
220,115.70x = 72,676,382,079.74 - Step 5: Solve for x
x = 72,676,382,079.74/220,115.70 - Step 6: Final answer
x = 330,173.55
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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.