Finding the Fourth Proportional to 236,634.83, 354,741.74 and 86,840.83
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Solution
The fourth proportional to 236,634.83, 354,741.74 and 86,840.83 is: 130,183.99
Step by Step Solution
- Step 1: Write the proportion equation
236,634.83 : 354,741.74 = 86,840.83 : x - Step 2: Convert to fraction form
236,634.83/354,741.74 = 86,840.83/x - Step 3: Cross multiply
236,634.83x = 354,741.74 × 86,840.83 - Step 4: Simplify right side
236,634.83x = 30,806,067,137.24 - Step 5: Solve for x
x = 30,806,067,137.24/236,634.83 - Step 6: Final answer
x = 130,183.99
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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.