Finding the Fourth Proportional to 471,034.79, 650,021.73 and 256,170.23
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Solution
The fourth proportional to 471,034.79, 650,021.73 and 256,170.23 is: 353,511.50
Step by Step Solution
- Step 1: Write the proportion equation
471,034.79 : 650,021.73 = 256,170.23 : x - Step 2: Convert to fraction form
471,034.79/650,021.73 = 256,170.23/x - Step 3: Cross multiply
471,034.79x = 650,021.73 × 256,170.23 - Step 4: Simplify right side
471,034.79x = 166,516,216,079.10 - Step 5: Solve for x
x = 166,516,216,079.10/471,034.79 - Step 6: Final answer
x = 353,511.50
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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.