Finding the Fourth Proportional to 199,430.20, 299,145.30 and 177,311.80
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Solution
The fourth proportional to 199,430.20, 299,145.30 and 177,311.80 is: 265,967.70
Step by Step Solution
- Step 1: Write the proportion equation
199,430.20 : 299,145.30 = 177,311.80 : x - Step 2: Convert to fraction form
199,430.20/299,145.30 = 177,311.80/x - Step 3: Cross multiply
199,430.20x = 299,145.30 × 177,311.80 - Step 4: Simplify right side
199,430.20x = 53,041,991,604.54 - Step 5: Solve for x
x = 53,041,991,604.54/199,430.20 - Step 6: Final answer
x = 265,967.70
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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.