Finding the Fourth Proportional to 321,975.59, 444,235.74 and 201,239.42
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Solution
The fourth proportional to 321,975.59, 444,235.74 and 201,239.42 is: 277,653.79
Step by Step Solution
- Step 1: Write the proportion equation
321,975.59 : 444,235.74 = 201,239.42 : x - Step 2: Convert to fraction form
321,975.59/444,235.74 = 201,239.42/x - Step 3: Cross multiply
321,975.59x = 444,235.74 × 201,239.42 - Step 4: Simplify right side
321,975.59x = 89,397,742,660.87 - Step 5: Solve for x
x = 89,397,742,660.87/321,975.59 - Step 6: Final answer
x = 277,653.79
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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.