Finding the Fourth Proportional to 187,207.76, 258,310.86 and 106,633.52
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Solution
The fourth proportional to 187,207.76, 258,310.86 and 106,633.52 is: 147,133.84
Step by Step Solution
- Step 1: Write the proportion equation
187,207.76 : 258,310.86 = 106,633.52 : x - Step 2: Convert to fraction form
187,207.76/258,310.86 = 106,633.52/x - Step 3: Cross multiply
187,207.76x = 258,310.86 × 106,633.52 - Step 4: Simplify right side
187,207.76x = 27,544,596,256.03 - Step 5: Solve for x
x = 27,544,596,256.03/187,207.76 - Step 6: Final answer
x = 147,133.84
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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.