Finding the Fourth Proportional to 342,119.24, 513,199.92 and 131,757.92
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Solution
The fourth proportional to 342,119.24, 513,199.92 and 131,757.92 is: 197,644.99
Step by Step Solution
- Step 1: Write the proportion equation
342,119.24 : 513,199.92 = 131,757.92 : x - Step 2: Convert to fraction form
342,119.24/513,199.92 = 131,757.92/x - Step 3: Cross multiply
342,119.24x = 513,199.92 × 131,757.92 - Step 4: Simplify right side
342,119.24x = 67,618,154,003.37 - Step 5: Solve for x
x = 67,618,154,003.37/342,119.24 - Step 6: Final answer
x = 197,644.99
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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.