Finding the Fourth Proportional to 342,343.44, 513,564.36 and 105,704.40
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Solution
The fourth proportional to 342,343.44, 513,564.36 and 105,704.40 is: 158,571.79
Step by Step Solution
- Step 1: Write the proportion equation
342,343.44 : 513,564.36 = 105,704.40 : x - Step 2: Convert to fraction form
342,343.44/513,564.36 = 105,704.40/x - Step 3: Cross multiply
342,343.44x = 513,564.36 × 105,704.40 - Step 4: Simplify right side
342,343.44x = 54,286,012,535.18 - Step 5: Solve for x
x = 54,286,012,535.18/342,343.44 - Step 6: Final answer
x = 158,571.79
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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.