Finding the Fourth Proportional to 193,406.36, 290,224.56 and 104,658.08
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Solution
The fourth proportional to 193,406.36, 290,224.56 and 104,658.08 is: 157,049.36
Step by Step Solution
- Step 1: Write the proportion equation
193,406.36 : 290,224.56 = 104,658.08 : x - Step 2: Convert to fraction form
193,406.36/290,224.56 = 104,658.08/x - Step 3: Cross multiply
193,406.36x = 290,224.56 × 104,658.08 - Step 4: Simplify right side
193,406.36x = 30,374,345,218.44 - Step 5: Solve for x
x = 30,374,345,218.44/193,406.36 - Step 6: Final answer
x = 157,049.36
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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.