Finding the Fourth Proportional to 228,837.12, 343,251.36 and 71,062.08
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Solution
The fourth proportional to 228,837.12, 343,251.36 and 71,062.08 is: 106,591.78
Step by Step Solution
- Step 1: Write the proportion equation
228,837.12 : 343,251.36 = 71,062.08 : x - Step 2: Convert to fraction form
228,837.12/343,251.36 = 71,062.08/x - Step 3: Cross multiply
228,837.12x = 343,251.36 × 71,062.08 - Step 4: Simplify right side
228,837.12x = 24,392,155,604.43 - Step 5: Solve for x
x = 24,392,155,604.43/228,837.12 - Step 6: Final answer
x = 106,591.78
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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.