Finding the Fourth Proportional to 326,629.38, 450,784.74 and 190,696.74
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Solution
The fourth proportional to 326,629.38, 450,784.74 and 190,696.74 is: 263,182.63
Step by Step Solution
- Step 1: Write the proportion equation
326,629.38 : 450,784.74 = 190,696.74 : x - Step 2: Convert to fraction form
326,629.38/450,784.74 = 190,696.74/x - Step 3: Cross multiply
326,629.38x = 450,784.74 × 190,696.74 - Step 4: Simplify right side
326,629.38x = 85,963,180,359.75 - Step 5: Solve for x
x = 85,963,180,359.75/326,629.38 - Step 6: Final answer
x = 263,182.63
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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.