Finding the Fourth Proportional to 259,028.07, 357,450.84 and 144,306.65
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Solution
The fourth proportional to 259,028.07, 357,450.84 and 144,306.65 is: 199,138.78
Step by Step Solution
- Step 1: Write the proportion equation
259,028.07 : 357,450.84 = 144,306.65 : x - Step 2: Convert to fraction form
259,028.07/357,450.84 = 144,306.65/x - Step 3: Cross multiply
259,028.07x = 357,450.84 × 144,306.65 - Step 4: Simplify right side
259,028.07x = 51,582,533,260.09 - Step 5: Solve for x
x = 51,582,533,260.09/259,028.07 - Step 6: Final answer
x = 199,138.78
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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.