Finding the Fourth Proportional to 143,119.26, 214,717.77 and 101,828.70
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Solution
The fourth proportional to 143,119.26, 214,717.77 and 101,828.70 is: 152,770.71
Step by Step Solution
- Step 1: Write the proportion equation
143,119.26 : 214,717.77 = 101,828.70 : x - Step 2: Convert to fraction form
143,119.26/214,717.77 = 101,828.70/x - Step 3: Cross multiply
143,119.26x = 214,717.77 × 101,828.70 - Step 4: Simplify right side
143,119.26x = 21,864,431,386.00 - Step 5: Solve for x
x = 21,864,431,386.00/143,119.26 - Step 6: Final answer
x = 152,770.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.