Finding the Fourth Proportional to 84,634.44, 127,034.24 and 40,291.80
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Solution
The fourth proportional to 84,634.44, 127,034.24 and 40,291.80 is: 60,477.01
Step by Step Solution
- Step 1: Write the proportion equation
84,634.44 : 127,034.24 = 40,291.80 : x - Step 2: Convert to fraction form
84,634.44/127,034.24 = 40,291.80/x - Step 3: Cross multiply
84,634.44x = 127,034.24 × 40,291.80 - Step 4: Simplify right side
84,634.44x = 5,118,438,191.23 - Step 5: Solve for x
x = 5,118,438,191.23/84,634.44 - Step 6: Final answer
x = 60,477.01
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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.