Finding the Fourth Proportional to 303,903.14, 419,384.70 and 167,946.53
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Solution
The fourth proportional to 303,903.14, 419,384.70 and 167,946.53 is: 231,765.31
Step by Step Solution
- Step 1: Write the proportion equation
303,903.14 : 419,384.70 = 167,946.53 : x - Step 2: Convert to fraction form
303,903.14/419,384.70 = 167,946.53/x - Step 3: Cross multiply
303,903.14x = 419,384.70 × 167,946.53 - Step 4: Simplify right side
303,903.14x = 70,434,203,003.17 - Step 5: Solve for x
x = 70,434,203,003.17/303,903.14 - Step 6: Final answer
x = 231,765.31
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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.