Finding the Fourth Proportional to 355,226.09, 533,049.29 and 130,744.19
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Solution
The fourth proportional to 355,226.09, 533,049.29 and 130,744.19 is: 196,193.63
Step by Step Solution
- Step 1: Write the proportion equation
355,226.09 : 533,049.29 = 130,744.19 : x - Step 2: Convert to fraction form
355,226.09/533,049.29 = 130,744.19/x - Step 3: Cross multiply
355,226.09x = 533,049.29 × 130,744.19 - Step 4: Simplify right side
355,226.09x = 69,693,096,997.40 - Step 5: Solve for x
x = 69,693,096,997.40/355,226.09 - Step 6: Final answer
x = 196,193.63
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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.