Finding the Fourth Proportional to 115,655.64, 173,532.66 and 49,110.09
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Solution
The fourth proportional to 115,655.64, 173,532.66 and 49,110.09 is: 73,686.03
Step by Step Solution
- Step 1: Write the proportion equation
115,655.64 : 173,532.66 = 49,110.09 : x - Step 2: Convert to fraction form
115,655.64/173,532.66 = 49,110.09/x - Step 3: Cross multiply
115,655.64x = 173,532.66 × 49,110.09 - Step 4: Simplify right side
115,655.64x = 8,522,204,550.54 - Step 5: Solve for x
x = 8,522,204,550.54/115,655.64 - Step 6: Final answer
x = 73,686.03
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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.