Finding the Fourth Proportional to 122,481.07, 183,650.10 and 47,513.62
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Solution
The fourth proportional to 122,481.07, 183,650.10 and 47,513.62 is: 71,242.69
Step by Step Solution
- Step 1: Write the proportion equation
122,481.07 : 183,650.10 = 47,513.62 : x - Step 2: Convert to fraction form
122,481.07/183,650.10 = 47,513.62/x - Step 3: Cross multiply
122,481.07x = 183,650.10 × 47,513.62 - Step 4: Simplify right side
122,481.07x = 8,725,881,000.13 - Step 5: Solve for x
x = 8,725,881,000.13/122,481.07 - Step 6: Final answer
x = 71,242.69
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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.