Finding the Fourth Proportional to 259,277.40, 388,760.58 and 101,317.68
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Solution
The fourth proportional to 259,277.40, 388,760.58 and 101,317.68 is: 151,915.75
Step by Step Solution
- Step 1: Write the proportion equation
259,277.40 : 388,760.58 = 101,317.68 : x - Step 2: Convert to fraction form
259,277.40/388,760.58 = 101,317.68/x - Step 3: Cross multiply
259,277.40x = 388,760.58 × 101,317.68 - Step 4: Simplify right side
259,277.40x = 39,388,320,041.05 - Step 5: Solve for x
x = 39,388,320,041.05/259,277.40 - Step 6: Final answer
x = 151,915.75
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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.