Finding the Fourth Proportional to 146,221.59, 201,771.16 and 82,547.09
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Solution
The fourth proportional to 146,221.59, 201,771.16 and 82,547.09 is: 113,906.72
Step by Step Solution
- Step 1: Write the proportion equation
146,221.59 : 201,771.16 = 82,547.09 : x - Step 2: Convert to fraction form
146,221.59/201,771.16 = 82,547.09/x - Step 3: Cross multiply
146,221.59x = 201,771.16 × 82,547.09 - Step 4: Simplify right side
146,221.59x = 16,655,622,103.92 - Step 5: Solve for x
x = 16,655,622,103.92/146,221.59 - Step 6: Final answer
x = 113,906.72
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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.