Finding the Fourth Proportional to 349,201.87, 481,911.27 and 196,243.09
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Solution
The fourth proportional to 349,201.87, 481,911.27 and 196,243.09 is: 270,822.59
Step by Step Solution
- Step 1: Write the proportion equation
349,201.87 : 481,911.27 = 196,243.09 : x - Step 2: Convert to fraction form
349,201.87/481,911.27 = 196,243.09/x - Step 3: Cross multiply
349,201.87x = 481,911.27 × 196,243.09 - Step 4: Simplify right side
349,201.87x = 94,571,756,145.31 - Step 5: Solve for x
x = 94,571,756,145.31/349,201.87 - Step 6: Final answer
x = 270,822.59
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1.5x scale
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.