Finding the Fourth Proportional to 276,120.47, 413,639.42 and 143,087.99
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Solution
The fourth proportional to 276,120.47, 413,639.42 and 143,087.99 is: 214,351.49
Step by Step Solution
- Step 1: Write the proportion equation
276,120.47 : 413,639.42 = 143,087.99 : x - Step 2: Convert to fraction form
276,120.47/413,639.42 = 143,087.99/x - Step 3: Cross multiply
276,120.47x = 413,639.42 × 143,087.99 - Step 4: Simplify right side
276,120.47x = 59,186,833,192.57 - Step 5: Solve for x
x = 59,186,833,192.57/276,120.47 - Step 6: Final answer
x = 214,351.49
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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.