Finding the Fourth Proportional to 116,362.47, 174,199.25 and 71,846.09
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Solution
The fourth proportional to 116,362.47, 174,199.25 and 71,846.09 is: 107,556.45
Step by Step Solution
- Step 1: Write the proportion equation
116,362.47 : 174,199.25 = 71,846.09 : x - Step 2: Convert to fraction form
116,362.47/174,199.25 = 71,846.09/x - Step 3: Cross multiply
116,362.47x = 174,199.25 × 71,846.09 - Step 4: Simplify right side
116,362.47x = 12,515,534,302.05 - Step 5: Solve for x
x = 12,515,534,302.05/116,362.47 - Step 6: Final answer
x = 107,556.45
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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.