Finding the Fourth Proportional to 246,122.05, 339,490.83 and 155,317.81
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Solution
The fourth proportional to 246,122.05, 339,490.83 and 155,317.81 is: 214,239.12
Step by Step Solution
- Step 1: Write the proportion equation
246,122.05 : 339,490.83 = 155,317.81 : x - Step 2: Convert to fraction form
246,122.05/339,490.83 = 155,317.81/x - Step 3: Cross multiply
246,122.05x = 339,490.83 × 155,317.81 - Step 4: Simplify right side
246,122.05x = 52,728,972,230.68 - Step 5: Solve for x
x = 52,728,972,230.68/246,122.05 - Step 6: Final answer
x = 214,239.12
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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.