Finding the Fourth Proportional to 189,676.18, 261,750.01 and 103,633.31
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Solution
The fourth proportional to 189,676.18, 261,750.01 and 103,633.31 is: 143,012.26
Step by Step Solution
- Step 1: Write the proportion equation
189,676.18 : 261,750.01 = 103,633.31 : x - Step 2: Convert to fraction form
189,676.18/261,750.01 = 103,633.31/x - Step 3: Cross multiply
189,676.18x = 261,750.01 × 103,633.31 - Step 4: Simplify right side
189,676.18x = 27,126,019,928.83 - Step 5: Solve for x
x = 27,126,019,928.83/189,676.18 - Step 6: Final answer
x = 143,012.26
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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.