Finding the Fourth Proportional to 405,299.34, 607,757.94 and 236,868.12
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Solution
The fourth proportional to 405,299.34, 607,757.94 and 236,868.12 is: 355,190.51
Step by Step Solution
- Step 1: Write the proportion equation
405,299.34 : 607,757.94 = 236,868.12 : x - Step 2: Convert to fraction form
405,299.34/607,757.94 = 236,868.12/x - Step 3: Cross multiply
405,299.34x = 607,757.94 × 236,868.12 - Step 4: Simplify right side
405,299.34x = 143,958,480,662.87 - Step 5: Solve for x
x = 143,958,480,662.87/405,299.34 - Step 6: Final answer
x = 355,190.51
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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.