Finding the Fourth Proportional to 102,849.21, 154,293.12 and 46,693.26
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Solution
The fourth proportional to 102,849.21, 154,293.12 and 46,693.26 is: 70,048.65
Step by Step Solution
- Step 1: Write the proportion equation
102,849.21 : 154,293.12 = 46,693.26 : x - Step 2: Convert to fraction form
102,849.21/154,293.12 = 46,693.26/x - Step 3: Cross multiply
102,849.21x = 154,293.12 × 46,693.26 - Step 4: Simplify right side
102,849.21x = 7,204,448,768.37 - Step 5: Solve for x
x = 7,204,448,768.37/102,849.21 - Step 6: Final answer
x = 70,048.65
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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.