Finding the Fourth Proportional to 361,201.51, 498,475.97 and 217,959.13
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Solution
The fourth proportional to 361,201.51, 498,475.97 and 217,959.13 is: 300,794.39
Step by Step Solution
- Step 1: Write the proportion equation
361,201.51 : 498,475.97 = 217,959.13 : x - Step 2: Convert to fraction form
361,201.51/498,475.97 = 217,959.13/x - Step 3: Cross multiply
361,201.51x = 498,475.97 × 217,959.13 - Step 4: Simplify right side
361,201.51x = 108,647,387,657.31 - Step 5: Solve for x
x = 108,647,387,657.31/361,201.51 - Step 6: Final answer
x = 300,794.39
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1.5x scale
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.