Finding the Fourth Proportional to 122,287.80, 183,431.70 and 122,287.80
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Solution
The fourth proportional to 122,287.80, 183,431.70 and 122,287.80 is: 183,431.70
Step by Step Solution
- Step 1: Write the proportion equation
122,287.80 : 183,431.70 = 122,287.80 : x - Step 2: Convert to fraction form
122,287.80/183,431.70 = 122,287.80/x - Step 3: Cross multiply
122,287.80x = 183,431.70 × 122,287.80 - Step 4: Simplify right side
122,287.80x = 22,431,459,043.26 - Step 5: Solve for x
x = 22,431,459,043.26/122,287.80 - Step 6: Final answer
x = 183,431.70
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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.