Finding the Fourth Proportional to 218,235.36, 301,161.83 and 122,742.03
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Solution
The fourth proportional to 218,235.36, 301,161.83 and 122,742.03 is: 169,382.33
Step by Step Solution
- Step 1: Write the proportion equation
218,235.36 : 301,161.83 = 122,742.03 : x - Step 2: Convert to fraction form
218,235.36/301,161.83 = 122,742.03/x - Step 3: Cross multiply
218,235.36x = 301,161.83 × 122,742.03 - Step 4: Simplify right side
218,235.36x = 36,965,214,372.71 - Step 5: Solve for x
x = 36,965,214,372.71/218,235.36 - Step 6: Final answer
x = 169,382.33
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1.5x scale
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.