Finding the Fourth Proportional to 135,791.06, 203,563.47 and 73,388.66
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Solution
The fourth proportional to 135,791.06, 203,563.47 and 73,388.66 is: 110,016.45
Step by Step Solution
- Step 1: Write the proportion equation
135,791.06 : 203,563.47 = 73,388.66 : x - Step 2: Convert to fraction form
135,791.06/203,563.47 = 73,388.66/x - Step 3: Cross multiply
135,791.06x = 203,563.47 × 73,388.66 - Step 4: Simplify right side
135,791.06x = 14,939,250,288.25 - Step 5: Solve for x
x = 14,939,250,288.25/135,791.06 - Step 6: Final answer
x = 110,016.45
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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.