Finding the Fourth Proportional to 125,341.44, 187,993.66 and 36,571.12
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Solution
The fourth proportional to 125,341.44, 187,993.66 and 36,571.12 is: 54,851.28
Step by Step Solution
- Step 1: Write the proportion equation
125,341.44 : 187,993.66 = 36,571.12 : x - Step 2: Convert to fraction form
125,341.44/187,993.66 = 36,571.12/x - Step 3: Cross multiply
125,341.44x = 187,993.66 × 36,571.12 - Step 4: Simplify right side
125,341.44x = 6,875,138,699.10 - Step 5: Solve for x
x = 6,875,138,699.10/125,341.44 - Step 6: Final answer
x = 54,851.28
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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.