Finding the Fourth Proportional to 369,453.65, 509,874.92 and 206,161.50
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Solution
The fourth proportional to 369,453.65, 509,874.92 and 206,161.50 is: 284,518.99
Step by Step Solution
- Step 1: Write the proportion equation
369,453.65 : 509,874.92 = 206,161.50 : x - Step 2: Convert to fraction form
369,453.65/509,874.92 = 206,161.50/x - Step 3: Cross multiply
369,453.65x = 509,874.92 × 206,161.50 - Step 4: Simplify right side
369,453.65x = 105,116,577,288.77 - Step 5: Solve for x
x = 105,116,577,288.77/369,453.65 - Step 6: Final answer
x = 284,518.99
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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.