Finding the Fourth Proportional to 189,167.07, 261,048.84 and 104,284.13
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Solution
The fourth proportional to 189,167.07, 261,048.84 and 104,284.13 is: 143,911.15
Step by Step Solution
- Step 1: Write the proportion equation
189,167.07 : 261,048.84 = 104,284.13 : x - Step 2: Convert to fraction form
189,167.07/261,048.84 = 104,284.13/x - Step 3: Cross multiply
189,167.07x = 261,048.84 × 104,284.13 - Step 4: Simplify right side
189,167.07x = 27,223,251,166.91 - Step 5: Solve for x
x = 27,223,251,166.91/189,167.07 - Step 6: Final answer
x = 143,911.15
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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.