Finding the Fourth Proportional to 399,847.19, 599,801.69 and 133,608.62
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Solution
The fourth proportional to 399,847.19, 599,801.69 and 133,608.62 is: 200,423.26
Step by Step Solution
- Step 1: Write the proportion equation
399,847.19 : 599,801.69 = 133,608.62 : x - Step 2: Convert to fraction form
399,847.19/599,801.69 = 133,608.62/x - Step 3: Cross multiply
399,847.19x = 599,801.69 × 133,608.62 - Step 4: Simplify right side
399,847.19x = 80,138,677,908.09 - Step 5: Solve for x
x = 80,138,677,908.09/399,847.19 - Step 6: Final answer
x = 200,423.26
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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.