Finding the Fourth Proportional to 84,842.42, 127,231.20 and 27,903.02
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Solution
The fourth proportional to 84,842.42, 127,231.20 and 27,903.02 is: 41,843.86
Step by Step Solution
- Step 1: Write the proportion equation
84,842.42 : 127,231.20 = 27,903.02 : x - Step 2: Convert to fraction form
84,842.42/127,231.20 = 27,903.02/x - Step 3: Cross multiply
84,842.42x = 127,231.20 × 27,903.02 - Step 4: Simplify right side
84,842.42x = 3,550,134,718.22 - Step 5: Solve for x
x = 3,550,134,718.22/84,842.42 - Step 6: Final answer
x = 41,843.86
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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.