Finding the Fourth Proportional to 225,995.44, 311,850.99 and 135,349.07
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Solution
The fourth proportional to 225,995.44, 311,850.99 and 135,349.07 is: 186,768.12
Step by Step Solution
- Step 1: Write the proportion equation
225,995.44 : 311,850.99 = 135,349.07 : x - Step 2: Convert to fraction form
225,995.44/311,850.99 = 135,349.07/x - Step 3: Cross multiply
225,995.44x = 311,850.99 × 135,349.07 - Step 4: Simplify right side
225,995.44x = 42,208,742,913.27 - Step 5: Solve for x
x = 42,208,742,913.27/225,995.44 - Step 6: Final answer
x = 186,768.12
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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.