Finding the Fourth Proportional to 313,323.99, 430,724.51 and 269,556.66
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Solution
The fourth proportional to 313,323.99, 430,724.51 and 269,556.66 is: 370,557.84
Step by Step Solution
- Step 1: Write the proportion equation
313,323.99 : 430,724.51 = 269,556.66 : x - Step 2: Convert to fraction form
313,323.99/430,724.51 = 269,556.66/x - Step 3: Cross multiply
313,323.99x = 430,724.51 × 269,556.66 - Step 4: Simplify right side
313,323.99x = 116,104,660,295.74 - Step 5: Solve for x
x = 116,104,660,295.74/313,323.99 - Step 6: Final answer
x = 370,557.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.