Finding the Fourth Proportional to 276,067.68, 414,198.72 and 135,924.72
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Solution
The fourth proportional to 276,067.68, 414,198.72 and 135,924.72 is: 203,934.94
Step by Step Solution
- Step 1: Write the proportion equation
276,067.68 : 414,198.72 = 135,924.72 : x - Step 2: Convert to fraction form
276,067.68/414,198.72 = 135,924.72/x - Step 3: Cross multiply
276,067.68x = 414,198.72 × 135,924.72 - Step 4: Simplify right side
276,067.68x = 56,299,845,040.36 - Step 5: Solve for x
x = 56,299,845,040.36/276,067.68 - Step 6: Final answer
x = 203,934.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.