Finding the Fourth Proportional to 313,930.26, 470,884.86 and 136,437.26
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Solution
The fourth proportional to 313,930.26, 470,884.86 and 136,437.26 is: 204,651.31
Step by Step Solution
- Step 1: Write the proportion equation
313,930.26 : 470,884.86 = 136,437.26 : x - Step 2: Convert to fraction form
313,930.26/470,884.86 = 136,437.26/x - Step 3: Cross multiply
313,930.26x = 470,884.86 × 136,437.26 - Step 4: Simplify right side
313,930.26x = 64,246,237,719.46 - Step 5: Solve for x
x = 64,246,237,719.46/313,930.26 - Step 6: Final answer
x = 204,651.31
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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.