Finding the Fourth Proportional to 201,873.07, 278,585.10 and 109,991.92
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Solution
The fourth proportional to 201,873.07, 278,585.10 and 109,991.92 is: 151,788.99
Step by Step Solution
- Step 1: Write the proportion equation
201,873.07 : 278,585.10 = 109,991.92 : x - Step 2: Convert to fraction form
201,873.07/278,585.10 = 109,991.92/x - Step 3: Cross multiply
201,873.07x = 278,585.10 × 109,991.92 - Step 4: Simplify right side
201,873.07x = 30,642,110,032.39 - Step 5: Solve for x
x = 30,642,110,032.39/201,873.07 - Step 6: Final answer
x = 151,788.99
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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.