Finding the Fourth Proportional to 189,765.68, 261,893.30 and 104,899.14
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Solution
The fourth proportional to 189,765.68, 261,893.30 and 104,899.14 is: 144,770.02
Step by Step Solution
- Step 1: Write the proportion equation
189,765.68 : 261,893.30 = 104,899.14 : x - Step 2: Convert to fraction form
189,765.68/261,893.30 = 104,899.14/x - Step 3: Cross multiply
189,765.68x = 261,893.30 × 104,899.14 - Step 4: Simplify right side
189,765.68x = 27,472,381,417.27 - Step 5: Solve for x
x = 27,472,381,417.27/189,765.68 - Step 6: Final answer
x = 144,770.02
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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.