Finding the Fourth Proportional to 317,131.68, 475,776.84 and 223,819.68
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Solution
The fourth proportional to 317,131.68, 475,776.84 and 223,819.68 is: 335,785.50
Step by Step Solution
- Step 1: Write the proportion equation
317,131.68 : 475,776.84 = 223,819.68 : x - Step 2: Convert to fraction form
317,131.68/475,776.84 = 223,819.68/x - Step 3: Cross multiply
317,131.68x = 475,776.84 × 223,819.68 - Step 4: Simplify right side
317,131.68x = 106,488,220,080.21 - Step 5: Solve for x
x = 106,488,220,080.21/317,131.68 - Step 6: Final answer
x = 335,785.50
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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.