Finding the Fourth Proportional to 143,159.06, 214,738.34 and 36,542.99
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Solution
The fourth proportional to 143,159.06, 214,738.34 and 36,542.99 is: 54,814.43
Step by Step Solution
- Step 1: Write the proportion equation
143,159.06 : 214,738.34 = 36,542.99 : x - Step 2: Convert to fraction form
143,159.06/214,738.34 = 36,542.99/x - Step 3: Cross multiply
143,159.06x = 214,738.34 × 36,542.99 - Step 4: Simplify right side
143,159.06x = 7,847,181,639.44 - Step 5: Solve for x
x = 7,847,181,639.44/143,159.06 - Step 6: Final answer
x = 54,814.43
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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.