Finding the Fourth Proportional to 145,911.74, 201,361.28 and 82,249.52
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Solution
The fourth proportional to 145,911.74, 201,361.28 and 82,249.52 is: 113,506.07
Step by Step Solution
- Step 1: Write the proportion equation
145,911.74 : 201,361.28 = 82,249.52 : x - Step 2: Convert to fraction form
145,911.74/201,361.28 = 82,249.52/x - Step 3: Cross multiply
145,911.74x = 201,361.28 × 82,249.52 - Step 4: Simplify right side
145,911.74x = 16,561,867,208.53 - Step 5: Solve for x
x = 16,561,867,208.53/145,911.74 - Step 6: Final answer
x = 113,506.07
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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.