Finding the Fourth Proportional to 187,676.92, 258,998.36 and 107,102.84
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Solution
The fourth proportional to 187,676.92, 258,998.36 and 107,102.84 is: 147,804.32
Step by Step Solution
- Step 1: Write the proportion equation
187,676.92 : 258,998.36 = 107,102.84 : x - Step 2: Convert to fraction form
187,676.92/258,998.36 = 107,102.84/x - Step 3: Cross multiply
187,676.92x = 258,998.36 × 107,102.84 - Step 4: Simplify right side
187,676.92x = 27,739,459,911.34 - Step 5: Solve for x
x = 27,739,459,911.34/187,676.92 - Step 6: Final answer
x = 147,804.32
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1.5x scale
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.