Finding the Fourth Proportional to 436,246.26, 654,369.57 and 136,750.38
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Solution
The fourth proportional to 436,246.26, 654,369.57 and 136,750.38 is: 205,125.63
Step by Step Solution
- Step 1: Write the proportion equation
436,246.26 : 654,369.57 = 136,750.38 : x - Step 2: Convert to fraction form
436,246.26/654,369.57 = 136,750.38/x - Step 3: Cross multiply
436,246.26x = 654,369.57 × 136,750.38 - Step 4: Simplify right side
436,246.26x = 89,485,287,357.94 - Step 5: Solve for x
x = 89,485,287,357.94/436,246.26 - Step 6: Final answer
x = 205,125.63
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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.