Finding the Fourth Proportional to 436,367.47, 602,190.84 and 245,379.19
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Solution
The fourth proportional to 436,367.47, 602,190.84 and 245,379.19 is: 338,625.38
Step by Step Solution
- Step 1: Write the proportion equation
436,367.47 : 602,190.84 = 245,379.19 : x - Step 2: Convert to fraction form
436,367.47/602,190.84 = 245,379.19/x - Step 3: Cross multiply
436,367.47x = 602,190.84 × 245,379.19 - Step 4: Simplify right side
436,367.47x = 147,765,100,544.62 - Step 5: Solve for x
x = 147,765,100,544.62/436,367.47 - Step 6: Final answer
x = 338,625.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.