Finding the Fourth Proportional to 190,910.09, 263,448.68 and 106,032.62
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Solution
The fourth proportional to 190,910.09, 263,448.68 and 106,032.62 is: 146,320.99
Step by Step Solution
- Step 1: Write the proportion equation
190,910.09 : 263,448.68 = 106,032.62 : x - Step 2: Convert to fraction form
190,910.09/263,448.68 = 106,032.62/x - Step 3: Cross multiply
190,910.09x = 263,448.68 × 106,032.62 - Step 4: Simplify right side
190,910.09x = 27,934,151,928.54 - Step 5: Solve for x
x = 27,934,151,928.54/190,910.09 - Step 6: Final answer
x = 146,320.99
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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.