Finding the Fourth Proportional to 313,322.99, 430,723.14 and 269,555.66
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Solution
The fourth proportional to 313,322.99, 430,723.14 and 269,555.66 is: 370,556.46
Step by Step Solution
- Step 1: Write the proportion equation
313,322.99 : 430,723.14 = 269,555.66 : x - Step 2: Convert to fraction form
313,322.99/430,723.14 = 269,555.66/x - Step 3: Cross multiply
313,322.99x = 430,723.14 × 269,555.66 - Step 4: Simplify right side
313,322.99x = 116,103,856,778.58 - Step 5: Solve for x
x = 116,103,856,778.58/313,322.99 - Step 6: Final answer
x = 370,556.46
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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.