Finding the Fourth Proportional to 140,723.36, 194,216.68 and 80,280.08
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Solution
The fourth proportional to 140,723.36, 194,216.68 and 80,280.08 is: 110,797.03
Step by Step Solution
- Step 1: Write the proportion equation
140,723.36 : 194,216.68 = 80,280.08 : x - Step 2: Convert to fraction form
140,723.36/194,216.68 = 80,280.08/x - Step 3: Cross multiply
140,723.36x = 194,216.68 × 80,280.08 - Step 4: Simplify right side
140,723.36x = 15,591,730,607.73 - Step 5: Solve for x
x = 15,591,730,607.73/140,723.36 - Step 6: Final answer
x = 110,797.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.