Finding the Fourth Proportional to 190,571.99, 285,710.36 and 110,486.78
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Solution
The fourth proportional to 190,571.99, 285,710.36 and 110,486.78 is: 165,644.59
Step by Step Solution
- Step 1: Write the proportion equation
190,571.99 : 285,710.36 = 110,486.78 : x - Step 2: Convert to fraction form
190,571.99/285,710.36 = 110,486.78/x - Step 3: Cross multiply
190,571.99x = 285,710.36 × 110,486.78 - Step 4: Simplify right side
190,571.99x = 31,567,219,318.82 - Step 5: Solve for x
x = 31,567,219,318.82/190,571.99 - Step 6: Final answer
x = 165,644.59
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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.