Finding the Fourth Proportional to 147,222.99, 220,855.14 and 72,346.08
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Solution
The fourth proportional to 147,222.99, 220,855.14 and 72,346.08 is: 108,529.27
Step by Step Solution
- Step 1: Write the proportion equation
147,222.99 : 220,855.14 = 72,346.08 : x - Step 2: Convert to fraction form
147,222.99/220,855.14 = 72,346.08/x - Step 3: Cross multiply
147,222.99x = 220,855.14 × 72,346.08 - Step 4: Simplify right side
147,222.99x = 15,978,003,626.85 - Step 5: Solve for x
x = 15,978,003,626.85/147,222.99 - Step 6: Final answer
x = 108,529.27
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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.