Finding the Fourth Proportional to 369,174.54, 509,460.84 and 199,408.67
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Solution
The fourth proportional to 369,174.54, 509,460.84 and 199,408.67 is: 275,183.94
Step by Step Solution
- Step 1: Write the proportion equation
369,174.54 : 509,460.84 = 199,408.67 : x - Step 2: Convert to fraction form
369,174.54/509,460.84 = 199,408.67/x - Step 3: Cross multiply
369,174.54x = 509,460.84 × 199,408.67 - Step 4: Simplify right side
369,174.54x = 101,590,905,974.18 - Step 5: Solve for x
x = 101,590,905,974.18/369,174.54 - Step 6: Final answer
x = 275,183.94
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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.