Finding the Fourth Proportional to 424,107.52, 585,283.36 and 233,138.56
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Solution
The fourth proportional to 424,107.52, 585,283.36 and 233,138.56 is: 321,739.45
Step by Step Solution
- Step 1: Write the proportion equation
424,107.52 : 585,283.36 = 233,138.56 : x - Step 2: Convert to fraction form
424,107.52/585,283.36 = 233,138.56/x - Step 3: Cross multiply
424,107.52x = 585,283.36 × 233,138.56 - Step 4: Simplify right side
424,107.52x = 136,452,119,742.36 - Step 5: Solve for x
x = 136,452,119,742.36/424,107.52 - Step 6: Final answer
x = 321,739.45
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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.