Finding the Fourth Proportional to 393,582.80, 590,460.60 and 193,998.80
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Solution
The fourth proportional to 393,582.80, 590,460.60 and 193,998.80 is: 291,040.79
Step by Step Solution
- Step 1: Write the proportion equation
393,582.80 : 590,460.60 = 193,998.80 : x - Step 2: Convert to fraction form
393,582.80/590,460.60 = 193,998.80/x - Step 3: Cross multiply
393,582.80x = 590,460.60 × 193,998.80 - Step 4: Simplify right side
393,582.80x = 114,548,647,847.28 - Step 5: Solve for x
x = 114,548,647,847.28/393,582.80 - Step 6: Final answer
x = 291,040.79
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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.