Finding the Fourth Proportional to 279,934.70, 419,902.05 and 201,202.70
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Solution
The fourth proportional to 279,934.70, 419,902.05 and 201,202.70 is: 301,804.05
Step by Step Solution
- Step 1: Write the proportion equation
279,934.70 : 419,902.05 = 201,202.70 : x - Step 2: Convert to fraction form
279,934.70/419,902.05 = 201,202.70/x - Step 3: Cross multiply
279,934.70x = 419,902.05 × 201,202.70 - Step 4: Simplify right side
279,934.70x = 84,485,426,195.54 - Step 5: Solve for x
x = 84,485,426,195.54/279,934.70 - Step 6: Final answer
x = 301,804.05
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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.