Finding the Fourth Proportional to 100,665.50, 150,974.91 and 44,474.99
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Solution
The fourth proportional to 100,665.50, 150,974.91 and 44,474.99 is: 66,702.17
Step by Step Solution
- Step 1: Write the proportion equation
100,665.50 : 150,974.91 = 44,474.99 : x - Step 2: Convert to fraction form
100,665.50/150,974.91 = 44,474.99/x - Step 3: Cross multiply
100,665.50x = 150,974.91 × 44,474.99 - Step 4: Simplify right side
100,665.50x = 6,714,606,857.63 - Step 5: Solve for x
x = 6,714,606,857.63/100,665.50 - Step 6: Final answer
x = 66,702.17
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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.