Finding the Fourth Proportional to 142,122.27, 212,950.13 and 48,576.99
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Solution
The fourth proportional to 142,122.27, 212,950.13 and 48,576.99 is: 72,785.75
Step by Step Solution
- Step 1: Write the proportion equation
142,122.27 : 212,950.13 = 48,576.99 : x - Step 2: Convert to fraction form
142,122.27/212,950.13 = 48,576.99/x - Step 3: Cross multiply
142,122.27x = 212,950.13 × 48,576.99 - Step 4: Simplify right side
142,122.27x = 10,344,476,092.62 - Step 5: Solve for x
x = 10,344,476,092.62/142,122.27 - Step 6: Final answer
x = 72,785.75
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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.