Finding the Fourth Proportional to 236,406.28, 326,239.08 and 134,431.74
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Solution
The fourth proportional to 236,406.28, 326,239.08 and 134,431.74 is: 185,514.90
Step by Step Solution
- Step 1: Write the proportion equation
236,406.28 : 326,239.08 = 134,431.74 : x - Step 2: Convert to fraction form
236,406.28/326,239.08 = 134,431.74/x - Step 3: Cross multiply
236,406.28x = 326,239.08 × 134,431.74 - Step 4: Simplify right side
236,406.28x = 43,856,887,180.40 - Step 5: Solve for x
x = 43,856,887,180.40/236,406.28 - Step 6: Final answer
x = 185,514.90
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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.