Finding the Fourth Proportional to 342,993.65, 514,509.92 and 106,369.97
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Solution
The fourth proportional to 342,993.65, 514,509.92 and 106,369.97 is: 159,560.99
Step by Step Solution
- Step 1: Write the proportion equation
342,993.65 : 514,509.92 = 106,369.97 : x - Step 2: Convert to fraction form
342,993.65/514,509.92 = 106,369.97/x - Step 3: Cross multiply
342,993.65x = 514,509.92 × 106,369.97 - Step 4: Simplify right side
342,993.65x = 54,728,404,755.10 - Step 5: Solve for x
x = 54,728,404,755.10/342,993.65 - Step 6: Final answer
x = 159,560.99
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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.