Finding the Fourth Proportional to 178,874.88, 268,230.36 and 106,860.84
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Solution
The fourth proportional to 178,874.88, 268,230.36 and 106,860.84 is: 160,242.30
Step by Step Solution
- Step 1: Write the proportion equation
178,874.88 : 268,230.36 = 106,860.84 : x - Step 2: Convert to fraction form
178,874.88/268,230.36 = 106,860.84/x - Step 3: Cross multiply
178,874.88x = 268,230.36 × 106,860.84 - Step 4: Simplify right side
178,874.88x = 28,663,321,583.10 - Step 5: Solve for x
x = 28,663,321,583.10/178,874.88 - Step 6: Final answer
x = 160,242.30
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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.