Finding the Fourth Proportional to 321,904.53, 444,239.84 and 194,506.31
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Solution
The fourth proportional to 321,904.53, 444,239.84 and 194,506.31 is: 268,425.72
Step by Step Solution
- Step 1: Write the proportion equation
321,904.53 : 444,239.84 = 194,506.31 : x - Step 2: Convert to fraction form
321,904.53/444,239.84 = 194,506.31/x - Step 3: Cross multiply
321,904.53x = 444,239.84 × 194,506.31 - Step 4: Simplify right side
321,904.53x = 86,407,453,630.26 - Step 5: Solve for x
x = 86,407,453,630.26/321,904.53 - Step 6: Final answer
x = 268,425.72
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1.5x scale
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.