Finding the Fourth Proportional to 383,708.36, 529,851.84 and 240,714.20
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Solution
The fourth proportional to 383,708.36, 529,851.84 and 240,714.20 is: 332,395.32
Step by Step Solution
- Step 1: Write the proportion equation
383,708.36 : 529,851.84 = 240,714.20 : x - Step 2: Convert to fraction form
383,708.36/529,851.84 = 240,714.20/x - Step 3: Cross multiply
383,708.36x = 529,851.84 × 240,714.20 - Step 4: Simplify right side
383,708.36x = 127,542,861,784.13 - Step 5: Solve for x
x = 127,542,861,784.13/383,708.36 - Step 6: Final answer
x = 332,395.32
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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.