Finding the Fourth Proportional to 269,505.53, 371,919.40 and 148,650.09
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Solution
The fourth proportional to 269,505.53, 371,919.40 and 148,650.09 is: 205,138.09
Step by Step Solution
- Step 1: Write the proportion equation
269,505.53 : 371,919.40 = 148,650.09 : x - Step 2: Convert to fraction form
269,505.53/371,919.40 = 148,650.09/x - Step 3: Cross multiply
269,505.53x = 371,919.40 × 148,650.09 - Step 4: Simplify right side
269,505.53x = 55,285,850,516.42 - Step 5: Solve for x
x = 55,285,850,516.42/269,505.53 - Step 6: Final answer
x = 205,138.09
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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.