Finding the Fourth Proportional to 236,517.41, 354,822.85 and 86,759.09
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Solution
The fourth proportional to 236,517.41, 354,822.85 and 86,759.09 is: 130,155.78
Step by Step Solution
- Step 1: Write the proportion equation
236,517.41 : 354,822.85 = 86,759.09 : x - Step 2: Convert to fraction form
236,517.41/354,822.85 = 86,759.09/x - Step 3: Cross multiply
236,517.41x = 354,822.85 × 86,759.09 - Step 4: Simplify right side
236,517.41x = 30,784,107,143.41 - Step 5: Solve for x
x = 30,784,107,143.41/236,517.41 - Step 6: Final answer
x = 130,155.78
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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.