Finding the Fourth Proportional to 246,309.65, 339,911.08 and 144,310.70
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Solution
The fourth proportional to 246,309.65, 339,911.08 and 144,310.70 is: 199,150.97
Step by Step Solution
- Step 1: Write the proportion equation
246,309.65 : 339,911.08 = 144,310.70 : x - Step 2: Convert to fraction form
246,309.65/339,911.08 = 144,310.70/x - Step 3: Cross multiply
246,309.65x = 339,911.08 × 144,310.70 - Step 4: Simplify right side
246,309.65x = 49,052,803,832.22 - Step 5: Solve for x
x = 49,052,803,832.22/246,309.65 - Step 6: Final answer
x = 199,150.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.