Finding the Fourth Proportional to 153,163.10, 229,744.64 and 47,982.07
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Solution
The fourth proportional to 153,163.10, 229,744.64 and 47,982.07 is: 71,973.09
Step by Step Solution
- Step 1: Write the proportion equation
153,163.10 : 229,744.64 = 47,982.07 : x - Step 2: Convert to fraction form
153,163.10/229,744.64 = 47,982.07/x - Step 3: Cross multiply
153,163.10x = 229,744.64 × 47,982.07 - Step 4: Simplify right side
153,163.10x = 11,023,622,249.88 - Step 5: Solve for x
x = 11,023,622,249.88/153,163.10 - Step 6: Final answer
x = 71,973.09
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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.