Finding the Fourth Proportional to 189,575.83, 284,362.89 and 77,230.99
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Solution
The fourth proportional to 189,575.83, 284,362.89 and 77,230.99 is: 115,846.14
Step by Step Solution
- Step 1: Write the proportion equation
189,575.83 : 284,362.89 = 77,230.99 : x - Step 2: Convert to fraction form
189,575.83/284,362.89 = 77,230.99/x - Step 3: Cross multiply
189,575.83x = 284,362.89 × 77,230.99 - Step 4: Simplify right side
189,575.83x = 21,961,627,513.96 - Step 5: Solve for x
x = 21,961,627,513.96/189,575.83 - Step 6: Final answer
x = 115,846.14
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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.