Finding the Fourth Proportional to 638,604.81, 957,911.00 and 189,329.60
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Solution
The fourth proportional to 638,604.81, 957,911.00 and 189,329.60 is: 283,995.52
Step by Step Solution
- Step 1: Write the proportion equation
638,604.81 : 957,911.00 = 189,329.60 : x - Step 2: Convert to fraction form
638,604.81/957,911.00 = 189,329.60/x - Step 3: Cross multiply
638,604.81x = 957,911.00 × 189,329.60 - Step 4: Simplify right side
638,604.81x = 181,360,907,913.73 - Step 5: Solve for x
x = 181,360,907,913.73/638,604.81 - Step 6: Final answer
x = 283,995.52
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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.