Finding the Fourth Proportional to 122,634.36, 183,951.09 and 33,887.70
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Solution
The fourth proportional to 122,634.36, 183,951.09 and 33,887.70 is: 50,831.43
Step by Step Solution
- Step 1: Write the proportion equation
122,634.36 : 183,951.09 = 33,887.70 : x - Step 2: Convert to fraction form
122,634.36/183,951.09 = 33,887.70/x - Step 3: Cross multiply
122,634.36x = 183,951.09 × 33,887.70 - Step 4: Simplify right side
122,634.36x = 6,233,679,352.59 - Step 5: Solve for x
x = 6,233,679,352.59/122,634.36 - Step 6: Final answer
x = 50,831.43
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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.