Finding the Fourth Proportional to 348,807.36, 481,446.18 and 205,662.75
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Solution
The fourth proportional to 348,807.36, 481,446.18 and 205,662.75 is: 283,868.85
Step by Step Solution
- Step 1: Write the proportion equation
348,807.36 : 481,446.18 = 205,662.75 : x - Step 2: Convert to fraction form
348,807.36/481,446.18 = 205,662.75/x - Step 3: Cross multiply
348,807.36x = 481,446.18 × 205,662.75 - Step 4: Simplify right side
348,807.36x = 99,015,543,550.37 - Step 5: Solve for x
x = 99,015,543,550.37/348,807.36 - Step 6: Final answer
x = 283,868.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.