Finding the Fourth Proportional to 414,014.69, 621,021.99 and 133,531.94
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Solution
The fourth proportional to 414,014.69, 621,021.99 and 133,531.94 is: 200,297.90
Step by Step Solution
- Step 1: Write the proportion equation
414,014.69 : 621,021.99 = 133,531.94 : x - Step 2: Convert to fraction form
414,014.69/621,021.99 = 133,531.94/x - Step 3: Cross multiply
414,014.69x = 621,021.99 × 133,531.94 - Step 4: Simplify right side
414,014.69x = 82,926,271,107.36 - Step 5: Solve for x
x = 82,926,271,107.36/414,014.69 - Step 6: Final answer
x = 200,297.90
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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.