Finding the Fourth Proportional to 412,964.36, 619,439.26 and 113,443.80
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Solution
The fourth proportional to 412,964.36, 619,439.26 and 113,443.80 is: 170,163.70
Step by Step Solution
- Step 1: Write the proportion equation
412,964.36 : 619,439.26 = 113,443.80 : x - Step 2: Convert to fraction form
412,964.36/619,439.26 = 113,443.80/x - Step 3: Cross multiply
412,964.36x = 619,439.26 × 113,443.80 - Step 4: Simplify right side
412,964.36x = 70,271,543,523.59 - Step 5: Solve for x
x = 70,271,543,523.59/412,964.36 - Step 6: Final answer
x = 170,163.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.