Finding the Fourth Proportional to 309,504.36, 424,334.44 and 303,905.64
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Solution
The fourth proportional to 309,504.36, 424,334.44 and 303,905.64 is: 416,658.52
Step by Step Solution
- Step 1: Write the proportion equation
309,504.36 : 424,334.44 = 303,905.64 : x - Step 2: Convert to fraction form
309,504.36/424,334.44 = 303,905.64/x - Step 3: Cross multiply
309,504.36x = 424,334.44 × 303,905.64 - Step 4: Simplify right side
309,504.36x = 128,957,629,562.24 - Step 5: Solve for x
x = 128,957,629,562.24/309,504.36 - Step 6: Final answer
x = 416,658.52
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.