Finding the Fourth Proportional to 188,694.20, 283,041.24 and 129,349.95
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Solution
The fourth proportional to 188,694.20, 283,041.24 and 129,349.95 is: 194,024.88
Step by Step Solution
- Step 1: Write the proportion equation
188,694.20 : 283,041.24 = 129,349.95 : x - Step 2: Convert to fraction form
188,694.20/283,041.24 = 129,349.95/x - Step 3: Cross multiply
188,694.20x = 283,041.24 × 129,349.95 - Step 4: Simplify right side
188,694.20x = 36,611,370,241.94 - Step 5: Solve for x
x = 36,611,370,241.94/188,694.20 - Step 6: Final answer
x = 194,024.88
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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.