Finding the Fourth Proportional to 143,137.44, 214,713.68 and 43,295.09
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Solution
The fourth proportional to 143,137.44, 214,713.68 and 43,295.09 is: 64,944.90
Step by Step Solution
- Step 1: Write the proportion equation
143,137.44 : 214,713.68 = 43,295.09 : x - Step 2: Convert to fraction form
143,137.44/214,713.68 = 43,295.09/x - Step 3: Cross multiply
143,137.44x = 214,713.68 × 43,295.09 - Step 4: Simplify right side
143,137.44x = 9,296,046,809.79 - Step 5: Solve for x
x = 9,296,046,809.79/143,137.44 - Step 6: Final answer
x = 64,944.90
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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.