Finding the Fourth Proportional to 80,318.58, 110,839.91 and 44,509.18
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Solution
The fourth proportional to 80,318.58, 110,839.91 and 44,509.18 is: 61,422.82
Step by Step Solution
- Step 1: Write the proportion equation
80,318.58 : 110,839.91 = 44,509.18 : x - Step 2: Convert to fraction form
80,318.58/110,839.91 = 44,509.18/x - Step 3: Cross multiply
80,318.58x = 110,839.91 × 44,509.18 - Step 4: Simplify right side
80,318.58x = 4,933,393,505.37 - Step 5: Solve for x
x = 4,933,393,505.37/80,318.58 - Step 6: Final answer
x = 61,422.82
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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.