Finding the Fourth Proportional to 189,501.87, 284,317.61 and 84,394.11
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Solution
The fourth proportional to 189,501.87, 284,317.61 and 84,394.11 is: 126,620.02
Step by Step Solution
- Step 1: Write the proportion equation
189,501.87 : 284,317.61 = 84,394.11 : x - Step 2: Convert to fraction form
189,501.87/284,317.61 = 84,394.11/x - Step 3: Cross multiply
189,501.87x = 284,317.61 × 84,394.11 - Step 4: Simplify right side
189,501.87x = 23,994,731,231.31 - Step 5: Solve for x
x = 23,994,731,231.31/189,501.87 - Step 6: Final answer
x = 126,620.02
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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.