Finding the Fourth Proportional to 311,399.14, 467,246.13 and 185,288.62
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Solution
The fourth proportional to 311,399.14, 467,246.13 and 185,288.62 is: 278,020.65
Step by Step Solution
- Step 1: Write the proportion equation
311,399.14 : 467,246.13 = 185,288.62 : x - Step 2: Convert to fraction form
311,399.14/467,246.13 = 185,288.62/x - Step 3: Cross multiply
311,399.14x = 467,246.13 × 185,288.62 - Step 4: Simplify right side
311,399.14x = 86,575,390,628.04 - Step 5: Solve for x
x = 86,575,390,628.04/311,399.14 - Step 6: Final answer
x = 278,020.65
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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.