Finding the Fourth Proportional to 254,512.69, 351,231.73 and 139,801.94
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Solution
The fourth proportional to 254,512.69, 351,231.73 and 139,801.94 is: 192,928.99
Step by Step Solution
- Step 1: Write the proportion equation
254,512.69 : 351,231.73 = 139,801.94 : x - Step 2: Convert to fraction form
254,512.69/351,231.73 = 139,801.94/x - Step 3: Cross multiply
254,512.69x = 351,231.73 × 139,801.94 - Step 4: Simplify right side
254,512.69x = 49,102,877,243.56 - Step 5: Solve for x
x = 49,102,877,243.56/254,512.69 - Step 6: Final answer
x = 192,928.99
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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.