Finding the Fourth Proportional to 172,968.74, 259,537.84 and 116,078.48
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Solution
The fourth proportional to 172,968.74, 259,537.84 and 116,078.48 is: 174,174.58
Step by Step Solution
- Step 1: Write the proportion equation
172,968.74 : 259,537.84 = 116,078.48 : x - Step 2: Convert to fraction form
172,968.74/259,537.84 = 116,078.48/x - Step 3: Cross multiply
172,968.74x = 259,537.84 × 116,078.48 - Step 4: Simplify right side
172,968.74x = 30,126,757,969.68 - Step 5: Solve for x
x = 30,126,757,969.68/172,968.74 - Step 6: Final answer
x = 174,174.58
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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.