Finding the Fourth Proportional to 201,604.04, 278,097.71 and 126,021.32
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Solution
The fourth proportional to 201,604.04, 278,097.71 and 126,021.32 is: 173,836.99
Step by Step Solution
- Step 1: Write the proportion equation
201,604.04 : 278,097.71 = 126,021.32 : x - Step 2: Convert to fraction form
201,604.04/278,097.71 = 126,021.32/x - Step 3: Cross multiply
201,604.04x = 278,097.71 × 126,021.32 - Step 4: Simplify right side
201,604.04x = 35,046,239,525.45 - Step 5: Solve for x
x = 35,046,239,525.45/201,604.04 - Step 6: Final answer
x = 173,836.99
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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.