Finding the Fourth Proportional to 187,207.38, 258,310.35 and 106,633.14
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Solution
The fourth proportional to 187,207.38, 258,310.35 and 106,633.14 is: 147,133.32
Step by Step Solution
- Step 1: Write the proportion equation
187,207.38 : 258,310.35 = 106,633.14 : x - Step 2: Convert to fraction form
187,207.38/258,310.35 = 106,633.14/x - Step 3: Cross multiply
187,207.38x = 258,310.35 × 106,633.14 - Step 4: Simplify right side
187,207.38x = 27,544,443,715.00 - Step 5: Solve for x
x = 27,544,443,715.00/187,207.38 - Step 6: Final answer
x = 147,133.32
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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.