Finding the Fourth Proportional to 216,029.22, 298,134.72 and 120,538.08
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Solution
The fourth proportional to 216,029.22, 298,134.72 and 120,538.08 is: 166,350.58
Step by Step Solution
- Step 1: Write the proportion equation
216,029.22 : 298,134.72 = 120,538.08 : x - Step 2: Convert to fraction form
216,029.22/298,134.72 = 120,538.08/x - Step 3: Cross multiply
216,029.22x = 298,134.72 × 120,538.08 - Step 4: Simplify right side
216,029.22x = 35,936,586,730.14 - Step 5: Solve for x
x = 35,936,586,730.14/216,029.22 - Step 6: Final answer
x = 166,350.58
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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.