Finding the Fourth Proportional to 135,444.80, 202,778.40 and 82,956.80
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Solution
The fourth proportional to 135,444.80, 202,778.40 and 82,956.80 is: 124,197.07
Step by Step Solution
- Step 1: Write the proportion equation
135,444.80 : 202,778.40 = 82,956.80 : x - Step 2: Convert to fraction form
135,444.80/202,778.40 = 82,956.80/x - Step 3: Cross multiply
135,444.80x = 202,778.40 × 82,956.80 - Step 4: Simplify right side
135,444.80x = 16,821,847,173.12 - Step 5: Solve for x
x = 16,821,847,173.12/135,444.80 - Step 6: Final answer
x = 124,197.07
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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.