Finding the Fourth Proportional to 104,997.94, 157,321.58 and 73,777.30
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Solution
The fourth proportional to 104,997.94, 157,321.58 and 73,777.30 is: 110,542.75
Step by Step Solution
- Step 1: Write the proportion equation
104,997.94 : 157,321.58 = 73,777.30 : x - Step 2: Convert to fraction form
104,997.94/157,321.58 = 73,777.30/x - Step 3: Cross multiply
104,997.94x = 157,321.58 × 73,777.30 - Step 4: Simplify right side
104,997.94x = 11,606,761,404.13 - Step 5: Solve for x
x = 11,606,761,404.13/104,997.94 - Step 6: Final answer
x = 110,542.75
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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.