Finding the Fourth Proportional to 147,861.13, 204,048.36 and 80,793.13
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Solution
The fourth proportional to 147,861.13, 204,048.36 and 80,793.13 is: 111,494.52
Step by Step Solution
- Step 1: Write the proportion equation
147,861.13 : 204,048.36 = 80,793.13 : x - Step 2: Convert to fraction form
147,861.13/204,048.36 = 80,793.13/x - Step 3: Cross multiply
147,861.13x = 204,048.36 × 80,793.13 - Step 4: Simplify right side
147,861.13x = 16,485,705,675.77 - Step 5: Solve for x
x = 16,485,705,675.77/147,861.13 - Step 6: Final answer
x = 111,494.52
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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.