Finding the Fourth Proportional to 216,644.74, 324,848.04 and 66,844.18
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Solution
The fourth proportional to 216,644.74, 324,848.04 and 66,844.18 is: 100,229.53
Step by Step Solution
- Step 1: Write the proportion equation
216,644.74 : 324,848.04 = 66,844.18 : x - Step 2: Convert to fraction form
216,644.74/324,848.04 = 66,844.18/x - Step 3: Cross multiply
216,644.74x = 324,848.04 × 66,844.18 - Step 4: Simplify right side
216,644.74x = 21,714,200,858.41 - Step 5: Solve for x
x = 21,714,200,858.41/216,644.74 - Step 6: Final answer
x = 100,229.53
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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.