Finding the Fourth Proportional to 939,236.96, 1,408,850.58 and 229,268.72
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Solution
The fourth proportional to 939,236.96, 1,408,850.58 and 229,268.72 is: 343,901.89
Step by Step Solution
- Step 1: Write the proportion equation
939,236.96 : 1,408,850.58 = 229,268.72 : x - Step 2: Convert to fraction form
939,236.96/1,408,850.58 = 229,268.72/x - Step 3: Cross multiply
939,236.96x = 1,408,850.58 × 229,268.72 - Step 4: Simplify right side
939,236.96x = 323,005,369,147.86 - Step 5: Solve for x
x = 323,005,369,147.86/939,236.96 - Step 6: Final answer
x = 343,901.89
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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.