Finding the Fourth Proportional to 236,759.10, 355,122.45 and 76,832.70
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Solution
The fourth proportional to 236,759.10, 355,122.45 and 76,832.70 is: 115,243.79
Step by Step Solution
- Step 1: Write the proportion equation
236,759.10 : 355,122.45 = 76,832.70 : x - Step 2: Convert to fraction form
236,759.10/355,122.45 = 76,832.70/x - Step 3: Cross multiply
236,759.10x = 355,122.45 × 76,832.70 - Step 4: Simplify right side
236,759.10x = 27,285,016,664.12 - Step 5: Solve for x
x = 27,285,016,664.12/236,759.10 - Step 6: Final answer
x = 115,243.79
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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.