Finding the Fourth Proportional to 151,236.36, 208,698.44 and 83,251.53
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Solution
The fourth proportional to 151,236.36, 208,698.44 and 83,251.53 is: 114,882.85
Step by Step Solution
- Step 1: Write the proportion equation
151,236.36 : 208,698.44 = 83,251.53 : x - Step 2: Convert to fraction form
151,236.36/208,698.44 = 83,251.53/x - Step 3: Cross multiply
151,236.36x = 208,698.44 × 83,251.53 - Step 4: Simplify right side
151,236.36x = 17,374,464,022.36 - Step 5: Solve for x
x = 17,374,464,022.36/151,236.36 - Step 6: Final answer
x = 114,882.85
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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.