Finding the Fourth Proportional to 644,947.62, 967,418.38 and 165,174.49
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Solution
The fourth proportional to 644,947.62, 967,418.38 and 165,174.49 is: 247,760.95
Step by Step Solution
- Step 1: Write the proportion equation
644,947.62 : 967,418.38 = 165,174.49 : x - Step 2: Convert to fraction form
644,947.62/967,418.38 = 165,174.49/x - Step 3: Cross multiply
644,947.62x = 967,418.38 × 165,174.49 - Step 4: Simplify right side
644,947.62x = 159,792,837,533.13 - Step 5: Solve for x
x = 159,792,837,533.13/644,947.62 - Step 6: Final answer
x = 247,760.95
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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.