Finding the Fourth Proportional to 122,027.26, 183,068.70 and 47,147.62
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Solution
The fourth proportional to 122,027.26, 183,068.70 and 47,147.62 is: 70,732.17
Step by Step Solution
- Step 1: Write the proportion equation
122,027.26 : 183,068.70 = 47,147.62 : x - Step 2: Convert to fraction form
122,027.26/183,068.70 = 47,147.62/x - Step 3: Cross multiply
122,027.26x = 183,068.70 × 47,147.62 - Step 4: Simplify right side
122,027.26x = 8,631,253,501.49 - Step 5: Solve for x
x = 8,631,253,501.49/122,027.26 - Step 6: Final answer
x = 70,732.17
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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.