Finding the Fourth Proportional to 402,163.02, 603,244.17 and 102,643.65
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Solution
The fourth proportional to 402,163.02, 603,244.17 and 102,643.65 is: 153,965.38
Step by Step Solution
- Step 1: Write the proportion equation
402,163.02 : 603,244.17 = 102,643.65 : x - Step 2: Convert to fraction form
402,163.02/603,244.17 = 102,643.65/x - Step 3: Cross multiply
402,163.02x = 603,244.17 × 102,643.65 - Step 4: Simplify right side
402,163.02x = 61,919,183,450.02 - Step 5: Solve for x
x = 61,919,183,450.02/402,163.02 - Step 6: Final answer
x = 153,965.38
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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.