Finding the Fourth Proportional to 323,991.36, 446,817.36 and 203,145.84
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Solution
The fourth proportional to 323,991.36, 446,817.36 and 203,145.84 is: 280,158.98
Step by Step Solution
- Step 1: Write the proportion equation
323,991.36 : 446,817.36 = 203,145.84 : x - Step 2: Convert to fraction form
323,991.36/446,817.36 = 203,145.84/x - Step 3: Cross multiply
323,991.36x = 446,817.36 × 203,145.84 - Step 4: Simplify right side
323,991.36x = 90,769,087,923.78 - Step 5: Solve for x
x = 90,769,087,923.78/323,991.36 - Step 6: Final answer
x = 280,158.98
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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.