Finding the Fourth Proportional to 178,874.24, 246,792.56 and 107,228.12
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Solution
The fourth proportional to 178,874.24, 246,792.56 and 107,228.12 is: 147,942.49
Step by Step Solution
- Step 1: Write the proportion equation
178,874.24 : 246,792.56 = 107,228.12 : x - Step 2: Convert to fraction form
178,874.24/246,792.56 = 107,228.12/x - Step 3: Cross multiply
178,874.24x = 246,792.56 × 107,228.12 - Step 4: Simplify right side
178,874.24x = 26,463,100,468.68 - Step 5: Solve for x
x = 26,463,100,468.68/178,874.24 - Step 6: Final answer
x = 147,942.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.