Finding the Fourth Proportional to 355,998.02, 533,997.42 and 131,261.09
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Solution
The fourth proportional to 355,998.02, 533,997.42 and 131,261.09 is: 196,891.77
Step by Step Solution
- Step 1: Write the proportion equation
355,998.02 : 533,997.42 = 131,261.09 : x - Step 2: Convert to fraction form
355,998.02/533,997.42 = 131,261.09/x - Step 3: Cross multiply
355,998.02x = 533,997.42 × 131,261.09 - Step 4: Simplify right side
355,998.02x = 70,093,080,736.40 - Step 5: Solve for x
x = 70,093,080,736.40/355,998.02 - Step 6: Final answer
x = 196,891.77
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1.5x scale
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.