Finding the Fourth Proportional to 230,968.20, 346,193.10 and 131,176.20
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Solution
The fourth proportional to 230,968.20, 346,193.10 and 131,176.20 is: 196,617.09
Step by Step Solution
- Step 1: Write the proportion equation
230,968.20 : 346,193.10 = 131,176.20 : x - Step 2: Convert to fraction form
230,968.20/346,193.10 = 131,176.20/x - Step 3: Cross multiply
230,968.20x = 346,193.10 × 131,176.20 - Step 4: Simplify right side
230,968.20x = 45,412,295,324.22 - Step 5: Solve for x
x = 45,412,295,324.22/230,968.20 - Step 6: Final answer
x = 196,617.09
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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.