Finding the Fourth Proportional to 118,576.20, 177,864.30 and 48,505.80
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Solution
The fourth proportional to 118,576.20, 177,864.30 and 48,505.80 is: 72,758.70
Step by Step Solution
- Step 1: Write the proportion equation
118,576.20 : 177,864.30 = 48,505.80 : x - Step 2: Convert to fraction form
118,576.20/177,864.30 = 48,505.80/x - Step 3: Cross multiply
118,576.20x = 177,864.30 × 48,505.80 - Step 4: Simplify right side
118,576.20x = 8,627,450,162.94 - Step 5: Solve for x
x = 8,627,450,162.94/118,576.20 - Step 6: Final answer
x = 72,758.70
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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.