Finding the Fourth Proportional to 419,239.37, 628,665.06 and 134,876.99
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Solution
The fourth proportional to 419,239.37, 628,665.06 and 134,876.99 is: 202,253.07
Step by Step Solution
- Step 1: Write the proportion equation
419,239.37 : 628,665.06 = 134,876.99 : x - Step 2: Convert to fraction form
419,239.37/628,665.06 = 134,876.99/x - Step 3: Cross multiply
419,239.37x = 628,665.06 × 134,876.99 - Step 4: Simplify right side
419,239.37x = 84,792,451,010.97 - Step 5: Solve for x
x = 84,792,451,010.97/419,239.37 - Step 6: Final answer
x = 202,253.07
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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.