Finding the Fourth Proportional to 122,135.36, 183,220.43 and 37,902.80
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Solution
The fourth proportional to 122,135.36, 183,220.43 and 37,902.80 is: 56,859.60
Step by Step Solution
- Step 1: Write the proportion equation
122,135.36 : 183,220.43 = 37,902.80 : x - Step 2: Convert to fraction form
122,135.36/183,220.43 = 37,902.80/x - Step 3: Cross multiply
122,135.36x = 183,220.43 × 37,902.80 - Step 4: Simplify right side
122,135.36x = 6,944,567,867.01 - Step 5: Solve for x
x = 6,944,567,867.01/122,135.36 - Step 6: Final answer
x = 56,859.60
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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.