Finding the Fourth Proportional to 192,799.88, 289,242.12 and 57,858.20
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Solution
The fourth proportional to 192,799.88, 289,242.12 and 57,858.20 is: 86,799.99
Step by Step Solution
- Step 1: Write the proportion equation
192,799.88 : 289,242.12 = 57,858.20 : x - Step 2: Convert to fraction form
192,799.88/289,242.12 = 57,858.20/x - Step 3: Cross multiply
192,799.88x = 289,242.12 × 57,858.20 - Step 4: Simplify right side
192,799.88x = 16,735,028,427.38 - Step 5: Solve for x
x = 16,735,028,427.38/192,799.88 - Step 6: Final answer
x = 86,799.99
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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.