Finding the Fourth Proportional to 189,244.58, 283,892.99 and 69,285.80
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Solution
The fourth proportional to 189,244.58, 283,892.99 and 69,285.80 is: 103,938.27
Step by Step Solution
- Step 1: Write the proportion equation
189,244.58 : 283,892.99 = 69,285.80 : x - Step 2: Convert to fraction form
189,244.58/283,892.99 = 69,285.80/x - Step 3: Cross multiply
189,244.58x = 283,892.99 × 69,285.80 - Step 4: Simplify right side
189,244.58x = 19,669,753,289.85 - Step 5: Solve for x
x = 19,669,753,289.85/189,244.58 - Step 6: Final answer
x = 103,938.27
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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.