Finding the Fourth Proportional to 178,522.99, 246,361.70 and 102,043.72
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Solution
The fourth proportional to 178,522.99, 246,361.70 and 102,043.72 is: 140,820.32
Step by Step Solution
- Step 1: Write the proportion equation
178,522.99 : 246,361.70 = 102,043.72 : x - Step 2: Convert to fraction form
178,522.99/246,361.70 = 102,043.72/x - Step 3: Cross multiply
178,522.99x = 246,361.70 × 102,043.72 - Step 4: Simplify right side
178,522.99x = 25,139,663,972.73 - Step 5: Solve for x
x = 25,139,663,972.73/178,522.99 - Step 6: Final answer
x = 140,820.32
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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.