Finding the Fourth Proportional to 236,265.41, 326,190.81 and 145,745.08
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Solution
The fourth proportional to 236,265.41, 326,190.81 and 145,745.08 is: 201,217.37
Step by Step Solution
- Step 1: Write the proportion equation
236,265.41 : 326,190.81 = 145,745.08 : x - Step 2: Convert to fraction form
236,265.41/326,190.81 = 145,745.08/x - Step 3: Cross multiply
236,265.41x = 326,190.81 × 145,745.08 - Step 4: Simplify right side
236,265.41x = 47,540,705,429.78 - Step 5: Solve for x
x = 47,540,705,429.78/236,265.41 - Step 6: Final answer
x = 201,217.37
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1.5x scale
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.