Finding the Fourth Proportional to 279,964.70, 419,947.05 and 201,232.70
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Solution
The fourth proportional to 279,964.70, 419,947.05 and 201,232.70 is: 301,849.05
Step by Step Solution
- Step 1: Write the proportion equation
279,964.70 : 419,947.05 = 201,232.70 : x - Step 2: Convert to fraction form
279,964.70/419,947.05 = 201,232.70/x - Step 3: Cross multiply
279,964.70x = 419,947.05 × 201,232.70 - Step 4: Simplify right side
279,964.70x = 84,507,078,728.54 - Step 5: Solve for x
x = 84,507,078,728.54/279,964.70 - Step 6: Final answer
x = 301,849.05
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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.