Finding the Fourth Proportional to 556,622.26, 768,138.99 and 301,973.38
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Solution
The fourth proportional to 556,622.26, 768,138.99 and 301,973.38 is: 416,723.41
Step by Step Solution
- Step 1: Write the proportion equation
556,622.26 : 768,138.99 = 301,973.38 : x - Step 2: Convert to fraction form
556,622.26/768,138.99 = 301,973.38/x - Step 3: Cross multiply
556,622.26x = 768,138.99 × 301,973.38 - Step 4: Simplify right side
556,622.26x = 231,957,527,120.09 - Step 5: Solve for x
x = 231,957,527,120.09/556,622.26 - Step 6: Final answer
x = 416,723.41
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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.