Finding the Fourth Proportional to 178,736.16, 268,104 and 45,616.40
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Solution
The fourth proportional to 178,736.16, 268,104 and 45,616.40 is: 68,424.54
Step by Step Solution
- Step 1: Write the proportion equation
178,736.16 : 268,104 = 45,616.40 : x - Step 2: Convert to fraction form
178,736.16/268,104 = 45,616.40/x - Step 3: Cross multiply
178,736.16x = 268,104 × 45,616.40 - Step 4: Simplify right side
178,736.16x = 12,229,939,305.60 - Step 5: Solve for x
x = 12,229,939,305.60/178,736.16 - Step 6: Final answer
x = 68,424.54
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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.