Finding the Fourth Proportional to 237,912.75, 356,756.12 and 138,103.53
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Solution
The fourth proportional to 237,912.75, 356,756.12 and 138,103.53 is: 207,089.70
Step by Step Solution
- Step 1: Write the proportion equation
237,912.75 : 356,756.12 = 138,103.53 : x - Step 2: Convert to fraction form
237,912.75/356,756.12 = 138,103.53/x - Step 3: Cross multiply
237,912.75x = 356,756.12 × 138,103.53 - Step 4: Simplify right side
237,912.75x = 49,269,279,521.10 - Step 5: Solve for x
x = 49,269,279,521.10/237,912.75 - Step 6: Final answer
x = 207,089.70
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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.