Finding the Fourth Proportional to 369,181.46, 509,470.42 and 199,415.58
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Solution
The fourth proportional to 369,181.46, 509,470.42 and 199,415.58 is: 275,193.50
Step by Step Solution
- Step 1: Write the proportion equation
369,181.46 : 509,470.42 = 199,415.58 : x - Step 2: Convert to fraction form
369,181.46/509,470.42 = 199,415.58/x - Step 3: Cross multiply
369,181.46x = 509,470.42 × 199,415.58 - Step 4: Simplify right side
369,181.46x = 101,596,339,297.14 - Step 5: Solve for x
x = 101,596,339,297.14/369,181.46 - Step 6: Final answer
x = 275,193.50
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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.