Finding the Fourth Proportional to 134,770.80, 202,322.60 and 84,850.80
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Solution
The fourth proportional to 134,770.80, 202,322.60 and 84,850.80 is: 127,380.96
Step by Step Solution
- Step 1: Write the proportion equation
134,770.80 : 202,322.60 = 84,850.80 : x - Step 2: Convert to fraction form
134,770.80/202,322.60 = 84,850.80/x - Step 3: Cross multiply
134,770.80x = 202,322.60 × 84,850.80 - Step 4: Simplify right side
134,770.80x = 17,167,234,468.08 - Step 5: Solve for x
x = 17,167,234,468.08/134,770.80 - Step 6: Final answer
x = 127,380.96
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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.