Finding the Fourth Proportional to 195,515.51, 269,817.09 and 110,630.75
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Solution
The fourth proportional to 195,515.51, 269,817.09 and 110,630.75 is: 152,673.65
Step by Step Solution
- Step 1: Write the proportion equation
195,515.51 : 269,817.09 = 110,630.75 : x - Step 2: Convert to fraction form
195,515.51/269,817.09 = 110,630.75/x - Step 3: Cross multiply
195,515.51x = 269,817.09 × 110,630.75 - Step 4: Simplify right side
195,515.51x = 29,850,067,029.52 - Step 5: Solve for x
x = 29,850,067,029.52/195,515.51 - Step 6: Final answer
x = 152,673.65
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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.