Finding the Fourth Proportional to 134,138.51, 201,207.81 and 49,887.67
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Solution
The fourth proportional to 134,138.51, 201,207.81 and 49,887.67 is: 74,831.51
Step by Step Solution
- Step 1: Write the proportion equation
134,138.51 : 201,207.81 = 49,887.67 : x - Step 2: Convert to fraction form
134,138.51/201,207.81 = 49,887.67/x - Step 3: Cross multiply
134,138.51x = 201,207.81 × 49,887.67 - Step 4: Simplify right side
134,138.51x = 10,037,787,571.23 - Step 5: Solve for x
x = 10,037,787,571.23/134,138.51 - Step 6: Final answer
x = 74,831.51
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1.5x scale
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.