Finding the Fourth Proportional to 190,174.84, 285,057.14 and 123,662.68
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Solution
The fourth proportional to 190,174.84, 285,057.14 and 123,662.68 is: 185,360.64
Step by Step Solution
- Step 1: Write the proportion equation
190,174.84 : 285,057.14 = 123,662.68 : x - Step 2: Convert to fraction form
190,174.84/285,057.14 = 123,662.68/x - Step 3: Cross multiply
190,174.84x = 285,057.14 × 123,662.68 - Step 4: Simplify right side
190,174.84x = 35,250,929,885.54 - Step 5: Solve for x
x = 35,250,929,885.54/190,174.84 - Step 6: Final answer
x = 185,360.64
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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.