Finding the Fourth Proportional to 413,767.11, 620,639.17 and 110,163.87
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Solution
The fourth proportional to 413,767.11, 620,639.17 and 110,163.87 is: 165,242.74
Step by Step Solution
- Step 1: Write the proportion equation
413,767.11 : 620,639.17 = 110,163.87 : x - Step 2: Convert to fraction form
413,767.11/620,639.17 = 110,163.87/x - Step 3: Cross multiply
413,767.11x = 620,639.17 × 110,163.87 - Step 4: Simplify right side
413,767.11x = 68,372,012,840.79 - Step 5: Solve for x
x = 68,372,012,840.79/413,767.11 - Step 6: Final answer
x = 165,242.74
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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.