Finding the Fourth Proportional to 407,698.56, 611,086.44 and 207,596.26
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Solution
The fourth proportional to 407,698.56, 611,086.44 and 207,596.26 is: 311,159.45
Step by Step Solution
- Step 1: Write the proportion equation
407,698.56 : 611,086.44 = 207,596.26 : x - Step 2: Convert to fraction form
407,698.56/611,086.44 = 207,596.26/x - Step 3: Cross multiply
407,698.56x = 611,086.44 × 207,596.26 - Step 4: Simplify right side
407,698.56x = 126,859,259,480.71 - Step 5: Solve for x
x = 126,859,259,480.71/407,698.56 - Step 6: Final answer
x = 311,159.45
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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.