Finding the Fourth Proportional to 409,893.82, 614,859.17 and 125,563.61
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Solution
The fourth proportional to 409,893.82, 614,859.17 and 125,563.61 is: 188,351.07
Step by Step Solution
- Step 1: Write the proportion equation
409,893.82 : 614,859.17 = 125,563.61 : x - Step 2: Convert to fraction form
409,893.82/614,859.17 = 125,563.61/x - Step 3: Cross multiply
409,893.82x = 614,859.17 × 125,563.61 - Step 4: Simplify right side
409,893.82x = 77,203,937,936.13 - Step 5: Solve for x
x = 77,203,937,936.13/409,893.82 - Step 6: Final answer
x = 188,351.07
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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.