Finding the Fourth Proportional to 236,476.28, 326,310.54 and 135,906.68
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Solution
The fourth proportional to 236,476.28, 326,310.54 and 135,906.68 is: 187,535.86
Step by Step Solution
- Step 1: Write the proportion equation
236,476.28 : 326,310.54 = 135,906.68 : x - Step 2: Convert to fraction form
236,476.28/326,310.54 = 135,906.68/x - Step 3: Cross multiply
236,476.28x = 326,310.54 × 135,906.68 - Step 4: Simplify right side
236,476.28x = 44,347,782,140.41 - Step 5: Solve for x
x = 44,347,782,140.41/236,476.28 - Step 6: Final answer
x = 187,535.86
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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.