Finding the Fourth Proportional to 221,277.26, 331,915.62 and 55,065.26
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Solution
The fourth proportional to 221,277.26, 331,915.62 and 55,065.26 is: 82,597.82
Step by Step Solution
- Step 1: Write the proportion equation
221,277.26 : 331,915.62 = 55,065.26 : x - Step 2: Convert to fraction form
221,277.26/331,915.62 = 55,065.26/x - Step 3: Cross multiply
221,277.26x = 331,915.62 × 55,065.26 - Step 4: Simplify right side
221,277.26x = 18,277,019,913.36 - Step 5: Solve for x
x = 18,277,019,913.36/221,277.26 - Step 6: Final answer
x = 82,597.82
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1.5x scale
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.