Finding the Fourth Proportional to 239,361.34, 330,249.99 and 154,526.62
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Solution
The fourth proportional to 239,361.34, 330,249.99 and 154,526.62 is: 213,202.41
Step by Step Solution
- Step 1: Write the proportion equation
239,361.34 : 330,249.99 = 154,526.62 : x - Step 2: Convert to fraction form
239,361.34/330,249.99 = 154,526.62/x - Step 3: Cross multiply
239,361.34x = 330,249.99 × 154,526.62 - Step 4: Simplify right side
239,361.34x = 51,032,414,709.73 - Step 5: Solve for x
x = 51,032,414,709.73/239,361.34 - Step 6: Final answer
x = 213,202.41
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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.