Finding the Fourth Proportional to 466,219.80, 699,198.48 and 129,178.80
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Solution
The fourth proportional to 466,219.80, 699,198.48 and 129,178.80 is: 193,731.84
Step by Step Solution
- Step 1: Write the proportion equation
466,219.80 : 699,198.48 = 129,178.80 : x - Step 2: Convert to fraction form
466,219.80/699,198.48 = 129,178.80/x - Step 3: Cross multiply
466,219.80x = 699,198.48 × 129,178.80 - Step 4: Simplify right side
466,219.80x = 90,321,620,608.22 - Step 5: Solve for x
x = 90,321,620,608.22/466,219.80 - Step 6: Final answer
x = 193,731.84
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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.