Finding the Fourth Proportional to 160,412.49, 221,395.03 and 91,524.44
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Solution
The fourth proportional to 160,412.49, 221,395.03 and 91,524.44 is: 126,318.45
Step by Step Solution
- Step 1: Write the proportion equation
160,412.49 : 221,395.03 = 91,524.44 : x - Step 2: Convert to fraction form
160,412.49/221,395.03 = 91,524.44/x - Step 3: Cross multiply
160,412.49x = 221,395.03 × 91,524.44 - Step 4: Simplify right side
160,412.49x = 20,263,056,464.21 - Step 5: Solve for x
x = 20,263,056,464.21/160,412.49 - Step 6: Final answer
x = 126,318.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.