Finding the Fourth Proportional to 178,351.31, 246,126.81 and 101,880.53
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Solution
The fourth proportional to 178,351.31, 246,126.81 and 101,880.53 is: 140,596.28
Step by Step Solution
- Step 1: Write the proportion equation
178,351.31 : 246,126.81 = 101,880.53 : x - Step 2: Convert to fraction form
178,351.31/246,126.81 = 101,880.53/x - Step 3: Cross multiply
178,351.31x = 246,126.81 × 101,880.53 - Step 4: Simplify right side
178,351.31x = 25,075,529,850.01 - Step 5: Solve for x
x = 25,075,529,850.01/178,351.31 - Step 6: Final answer
x = 140,596.28
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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.