Finding the Fourth Proportional to 311,865.52, 467,855.99 and 98,687.02
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Solution
The fourth proportional to 311,865.52, 467,855.99 and 98,687.02 is: 148,048.79
Step by Step Solution
- Step 1: Write the proportion equation
311,865.52 : 467,855.99 = 98,687.02 : x - Step 2: Convert to fraction form
311,865.52/467,855.99 = 98,687.02/x - Step 3: Cross multiply
311,865.52x = 467,855.99 × 98,687.02 - Step 4: Simplify right side
311,865.52x = 46,171,313,442.25 - Step 5: Solve for x
x = 46,171,313,442.25/311,865.52 - Step 6: Final answer
x = 148,048.79
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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.