Finding the Fourth Proportional to 281,566.41, 422,161.94 and 146,298.07
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Solution
The fourth proportional to 281,566.41, 422,161.94 and 146,298.07 is: 219,349.58
Step by Step Solution
- Step 1: Write the proportion equation
281,566.41 : 422,161.94 = 146,298.07 : x - Step 2: Convert to fraction form
281,566.41/422,161.94 = 146,298.07/x - Step 3: Cross multiply
281,566.41x = 422,161.94 × 146,298.07 - Step 4: Simplify right side
281,566.41x = 61,761,475,568.24 - Step 5: Solve for x
x = 61,761,475,568.24/281,566.41 - Step 6: Final answer
x = 219,349.58
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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.