Finding the Fourth Proportional to 278,629.14, 384,504.84 and 151,305.64
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Solution
The fourth proportional to 278,629.14, 384,504.84 and 151,305.64 is: 208,799.95
Step by Step Solution
- Step 1: Write the proportion equation
278,629.14 : 384,504.84 = 151,305.64 : x - Step 2: Convert to fraction form
278,629.14/384,504.84 = 151,305.64/x - Step 3: Cross multiply
278,629.14x = 384,504.84 × 151,305.64 - Step 4: Simplify right side
278,629.14x = 58,177,750,899.30 - Step 5: Solve for x
x = 58,177,750,899.30/278,629.14 - Step 6: Final answer
x = 208,799.95
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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.