Finding the Fourth Proportional to 189,035.86, 283,553.79 and 55,905.75
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Solution
The fourth proportional to 189,035.86, 283,553.79 and 55,905.75 is: 83,858.63
Step by Step Solution
- Step 1: Write the proportion equation
189,035.86 : 283,553.79 = 55,905.75 : x - Step 2: Convert to fraction form
189,035.86/283,553.79 = 55,905.75/x - Step 3: Cross multiply
189,035.86x = 283,553.79 × 55,905.75 - Step 4: Simplify right side
189,035.86x = 15,852,287,295.29 - Step 5: Solve for x
x = 15,852,287,295.29/189,035.86 - Step 6: Final answer
x = 83,858.63
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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.