Finding the Fourth Proportional to 254,568.81, 351,278.53 and 147,173.14
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Solution
The fourth proportional to 254,568.81, 351,278.53 and 147,173.14 is: 203,083.65
Step by Step Solution
- Step 1: Write the proportion equation
254,568.81 : 351,278.53 = 147,173.14 : x - Step 2: Convert to fraction form
254,568.81/351,278.53 = 147,173.14/x - Step 3: Cross multiply
254,568.81x = 351,278.53 × 147,173.14 - Step 4: Simplify right side
254,568.81x = 51,698,764,274.68 - Step 5: Solve for x
x = 51,698,764,274.68/254,568.81 - Step 6: Final answer
x = 203,083.65
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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.