Finding the Fourth Proportional to 222,399.44, 306,907.44 and 126,903.68
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Solution
The fourth proportional to 222,399.44, 306,907.44 and 126,903.68 is: 175,124.92
Step by Step Solution
- Step 1: Write the proportion equation
222,399.44 : 306,907.44 = 126,903.68 : x - Step 2: Convert to fraction form
222,399.44/306,907.44 = 126,903.68/x - Step 3: Cross multiply
222,399.44x = 306,907.44 × 126,903.68 - Step 4: Simplify right side
222,399.44x = 38,947,683,555.38 - Step 5: Solve for x
x = 38,947,683,555.38/222,399.44 - Step 6: Final answer
x = 175,124.92
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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.