Finding the Fourth Proportional to 102,286.77, 153,446.69 and 30,246.99
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Solution
The fourth proportional to 102,286.77, 153,446.69 and 30,246.99 is: 45,375.37
Step by Step Solution
- Step 1: Write the proportion equation
102,286.77 : 153,446.69 = 30,246.99 : x - Step 2: Convert to fraction form
102,286.77/153,446.69 = 30,246.99/x - Step 3: Cross multiply
102,286.77x = 153,446.69 × 30,246.99 - Step 4: Simplify right side
102,286.77x = 4,641,300,346.73 - Step 5: Solve for x
x = 4,641,300,346.73/102,286.77 - Step 6: Final answer
x = 45,375.37
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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.