Finding the Fourth Proportional to 217,438.58, 325,843.09 and 149,901.28
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Solution
The fourth proportional to 217,438.58, 325,843.09 and 149,901.28 is: 224,634.92
Step by Step Solution
- Step 1: Write the proportion equation
217,438.58 : 325,843.09 = 149,901.28 : x - Step 2: Convert to fraction form
217,438.58/325,843.09 = 149,901.28/x - Step 3: Cross multiply
217,438.58x = 325,843.09 × 149,901.28 - Step 4: Simplify right side
217,438.58x = 48,844,296,913.66 - Step 5: Solve for x
x = 48,844,296,913.66/217,438.58 - Step 6: Final answer
x = 224,634.92
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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.