Finding the Fourth Proportional to 201,968.99, 278,704.62 and 111,325.67
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Solution
The fourth proportional to 201,968.99, 278,704.62 and 111,325.67 is: 153,622.48
Step by Step Solution
- Step 1: Write the proportion equation
201,968.99 : 278,704.62 = 111,325.67 : x - Step 2: Convert to fraction form
201,968.99/278,704.62 = 111,325.67/x - Step 3: Cross multiply
201,968.99x = 278,704.62 × 111,325.67 - Step 4: Simplify right side
201,968.99x = 31,026,977,160.07 - Step 5: Solve for x
x = 31,026,977,160.07/201,968.99 - Step 6: Final answer
x = 153,622.48
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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.