Finding the Fourth Proportional to 317,532.48, 476,253.84 and 107,142.72
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Solution
The fourth proportional to 317,532.48, 476,253.84 and 107,142.72 is: 160,698.94
Step by Step Solution
- Step 1: Write the proportion equation
317,532.48 : 476,253.84 = 107,142.72 : x - Step 2: Convert to fraction form
317,532.48/476,253.84 = 107,142.72/x - Step 3: Cross multiply
317,532.48x = 476,253.84 × 107,142.72 - Step 4: Simplify right side
317,532.48x = 51,027,131,828.04 - Step 5: Solve for x
x = 51,027,131,828.04/317,532.48 - Step 6: Final answer
x = 160,698.94
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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.