Finding the Fourth Proportional to 369,173.97, 509,460.28 and 199,408.09
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Solution
The fourth proportional to 369,173.97, 509,460.28 and 199,408.09 is: 275,183.27
Step by Step Solution
- Step 1: Write the proportion equation
369,173.97 : 509,460.28 = 199,408.09 : x - Step 2: Convert to fraction form
369,173.97/509,460.28 = 199,408.09/x - Step 3: Cross multiply
369,173.97x = 509,460.28 × 199,408.09 - Step 4: Simplify right side
369,173.97x = 101,590,501,365.67 - Step 5: Solve for x
x = 101,590,501,365.67/369,173.97 - Step 6: Final answer
x = 275,183.27
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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.