Finding the Fourth Proportional to 134,601.09, 201,944.49 and 39,831.80
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Solution
The fourth proportional to 134,601.09, 201,944.49 and 39,831.80 is: 59,760.38
Step by Step Solution
- Step 1: Write the proportion equation
134,601.09 : 201,944.49 = 39,831.80 : x - Step 2: Convert to fraction form
134,601.09/201,944.49 = 39,831.80/x - Step 3: Cross multiply
134,601.09x = 201,944.49 × 39,831.80 - Step 4: Simplify right side
134,601.09x = 8,043,812,737.68 - Step 5: Solve for x
x = 8,043,812,737.68/134,601.09 - Step 6: Final answer
x = 59,760.38
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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.