Finding the Fourth Proportional to 109,249.11, 163,913.09 and 38,182.14
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Solution
The fourth proportional to 109,249.11, 163,913.09 and 38,182.14 is: 57,286.99
Step by Step Solution
- Step 1: Write the proportion equation
109,249.11 : 163,913.09 = 38,182.14 : x - Step 2: Convert to fraction form
109,249.11/163,913.09 = 38,182.14/x - Step 3: Cross multiply
109,249.11x = 163,913.09 × 38,182.14 - Step 4: Simplify right side
109,249.11x = 6,258,552,359.30 - Step 5: Solve for x
x = 6,258,552,359.30/109,249.11 - Step 6: Final answer
x = 57,286.99
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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.