Finding the Fourth Proportional to 190,698.21, 263,162.79 and 104,658.66
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Solution
The fourth proportional to 190,698.21, 263,162.79 and 104,658.66 is: 144,428.54
Step by Step Solution
- Step 1: Write the proportion equation
190,698.21 : 263,162.79 = 104,658.66 : x - Step 2: Convert to fraction form
190,698.21/263,162.79 = 104,658.66/x - Step 3: Cross multiply
190,698.21x = 263,162.79 × 104,658.66 - Step 4: Simplify right side
190,698.21x = 27,542,264,963.26 - Step 5: Solve for x
x = 27,542,264,963.26/190,698.21 - Step 6: Final answer
x = 144,428.54
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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.