Finding the Fourth Proportional to 369,174.09, 509,460.22 and 199,408.21
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Solution
The fourth proportional to 369,174.09, 509,460.22 and 199,408.21 is: 275,183.32
Step by Step Solution
- Step 1: Write the proportion equation
369,174.09 : 509,460.22 = 199,408.21 : x - Step 2: Convert to fraction form
369,174.09/509,460.22 = 199,408.21/x - Step 3: Cross multiply
369,174.09x = 509,460.22 × 199,408.21 - Step 4: Simplify right side
369,174.09x = 101,590,550,536.41 - Step 5: Solve for x
x = 101,590,550,536.41/369,174.09 - Step 6: Final answer
x = 275,183.32
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1.5x scale
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.