Finding the Fourth Proportional to 515,343.36, 773,007.36 and 178,629.12
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Solution
The fourth proportional to 515,343.36, 773,007.36 and 178,629.12 is: 267,941.02
Step by Step Solution
- Step 1: Write the proportion equation
515,343.36 : 773,007.36 = 178,629.12 : x - Step 2: Convert to fraction form
515,343.36/773,007.36 = 178,629.12/x - Step 3: Cross multiply
515,343.36x = 773,007.36 × 178,629.12 - Step 4: Simplify right side
515,343.36x = 138,081,624,470.32 - Step 5: Solve for x
x = 138,081,624,470.32/515,343.36 - Step 6: Final answer
x = 267,941.02
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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.