Finding the Fourth Proportional to 135,028.60, 202,523.70 and 46,286.20
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Solution
The fourth proportional to 135,028.60, 202,523.70 and 46,286.20 is: 69,422.72
Step by Step Solution
- Step 1: Write the proportion equation
135,028.60 : 202,523.70 = 46,286.20 : x - Step 2: Convert to fraction form
135,028.60/202,523.70 = 46,286.20/x - Step 3: Cross multiply
135,028.60x = 202,523.70 × 46,286.20 - Step 4: Simplify right side
135,028.60x = 9,374,052,482.94 - Step 5: Solve for x
x = 9,374,052,482.94/135,028.60 - Step 6: Final answer
x = 69,422.72
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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.