Finding the Fourth Proportional to 189,588.21, 261,633.29 and 104,706.69
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Solution
The fourth proportional to 189,588.21, 261,633.29 and 104,706.69 is: 144,496.09
Step by Step Solution
- Step 1: Write the proportion equation
189,588.21 : 261,633.29 = 104,706.69 : x - Step 2: Convert to fraction form
189,588.21/261,633.29 = 104,706.69/x - Step 3: Cross multiply
189,588.21x = 261,633.29 × 104,706.69 - Step 4: Simplify right side
189,588.21x = 27,394,755,266.18 - Step 5: Solve for x
x = 27,394,755,266.18/189,588.21 - Step 6: Final answer
x = 144,496.09
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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.