Finding the Fourth Proportional to 217,229.19, 325,419.58 and 103,214.75
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Solution
The fourth proportional to 217,229.19, 325,419.58 and 103,214.75 is: 154,620.56
Step by Step Solution
- Step 1: Write the proportion equation
217,229.19 : 325,419.58 = 103,214.75 : x - Step 2: Convert to fraction form
217,229.19/325,419.58 = 103,214.75/x - Step 3: Cross multiply
217,229.19x = 325,419.58 × 103,214.75 - Step 4: Simplify right side
217,229.19x = 33,588,099,096.73 - Step 5: Solve for x
x = 33,588,099,096.73/217,229.19 - Step 6: Final answer
x = 154,620.56
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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.