Finding the Fourth Proportional to 317,163.44, 476,151.10 and 272,470.74
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Solution
The fourth proportional to 317,163.44, 476,151.10 and 272,470.74 is: 409,054.85
Step by Step Solution
- Step 1: Write the proportion equation
317,163.44 : 476,151.10 = 272,470.74 : x - Step 2: Convert to fraction form
317,163.44/476,151.10 = 272,470.74/x - Step 3: Cross multiply
317,163.44x = 476,151.10 × 272,470.74 - Step 4: Simplify right side
317,163.44x = 129,737,242,568.81 - Step 5: Solve for x
x = 129,737,242,568.81/317,163.44 - Step 6: Final answer
x = 409,054.85
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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.