Finding the Fourth Proportional to 144,478.48, 199,273.80 and 104,324.80
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Solution
The fourth proportional to 144,478.48, 199,273.80 and 104,324.80 is: 143,891.32
Step by Step Solution
- Step 1: Write the proportion equation
144,478.48 : 199,273.80 = 104,324.80 : x - Step 2: Convert to fraction form
144,478.48/199,273.80 = 104,324.80/x - Step 3: Cross multiply
144,478.48x = 199,273.80 × 104,324.80 - Step 4: Simplify right side
144,478.48x = 20,789,199,330.24 - Step 5: Solve for x
x = 20,789,199,330.24/144,478.48 - Step 6: Final answer
x = 143,891.32
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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.