Finding the Fourth Proportional to 100,537.24, 150,831.24 and 47,219.38
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Solution
The fourth proportional to 100,537.24, 150,831.24 and 47,219.38 is: 70,840.99
Step by Step Solution
- Step 1: Write the proportion equation
100,537.24 : 150,831.24 = 47,219.38 : x - Step 2: Convert to fraction form
100,537.24/150,831.24 = 47,219.38/x - Step 3: Cross multiply
100,537.24x = 150,831.24 × 47,219.38 - Step 4: Simplify right side
100,537.24x = 7,122,157,640.30 - Step 5: Solve for x
x = 7,122,157,640.30/100,537.24 - Step 6: Final answer
x = 70,840.99
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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.