Finding the Fourth Proportional to 311,564.21, 467,346.33 and 178,350.63
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Solution
The fourth proportional to 311,564.21, 467,346.33 and 178,350.63 is: 267,525.95
Step by Step Solution
- Step 1: Write the proportion equation
311,564.21 : 467,346.33 = 178,350.63 : x - Step 2: Convert to fraction form
311,564.21/467,346.33 = 178,350.63/x - Step 3: Cross multiply
311,564.21x = 467,346.33 × 178,350.63 - Step 4: Simplify right side
311,564.21x = 83,351,510,631.14 - Step 5: Solve for x
x = 83,351,510,631.14/311,564.21 - Step 6: Final answer
x = 267,525.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.