Finding the Fourth Proportional to 188,350.90, 259,936.96 and 103,468.84
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Solution
The fourth proportional to 188,350.90, 259,936.96 and 103,468.84 is: 142,793.99
Step by Step Solution
- Step 1: Write the proportion equation
188,350.90 : 259,936.96 = 103,468.84 : x - Step 2: Convert to fraction form
188,350.90/259,936.96 = 103,468.84/x - Step 3: Cross multiply
188,350.90x = 259,936.96 × 103,468.84 - Step 4: Simplify right side
188,350.90x = 26,895,375,724.33 - Step 5: Solve for x
x = 26,895,375,724.33/188,350.90 - Step 6: Final answer
x = 142,793.99
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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.