Finding the Fourth Proportional to 159,487.26, 220,102.35 and 87,867.26
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Solution
The fourth proportional to 159,487.26, 220,102.35 and 87,867.26 is: 121,262.29
Step by Step Solution
- Step 1: Write the proportion equation
159,487.26 : 220,102.35 = 87,867.26 : x - Step 2: Convert to fraction form
159,487.26/220,102.35 = 87,867.26/x - Step 3: Cross multiply
159,487.26x = 220,102.35 × 87,867.26 - Step 4: Simplify right side
159,487.26x = 19,339,789,809.43 - Step 5: Solve for x
x = 19,339,789,809.43/159,487.26 - Step 6: Final answer
x = 121,262.29
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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.