Finding the Fourth Proportional to 134,138.76, 201,208.18 and 49,887.92
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Solution
The fourth proportional to 134,138.76, 201,208.18 and 49,887.92 is: 74,831.89
Step by Step Solution
- Step 1: Write the proportion equation
134,138.76 : 201,208.18 = 49,887.92 : x - Step 2: Convert to fraction form
134,138.76/201,208.18 = 49,887.92/x - Step 3: Cross multiply
134,138.76x = 201,208.18 × 49,887.92 - Step 4: Simplify right side
134,138.76x = 10,037,856,456.42 - Step 5: Solve for x
x = 10,037,856,456.42/134,138.76 - Step 6: Final answer
x = 74,831.89
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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.