Finding the Fourth Proportional to 471,105.10, 650,135.73 and 256,256.65
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Solution
The fourth proportional to 471,105.10, 650,135.73 and 256,256.65 is: 353,639.99
Step by Step Solution
- Step 1: Write the proportion equation
471,105.10 : 650,135.73 = 256,256.65 : x - Step 2: Convert to fraction form
471,105.10/650,135.73 = 256,256.65/x - Step 3: Cross multiply
471,105.10x = 650,135.73 × 256,256.65 - Step 4: Simplify right side
471,105.10x = 166,601,604,215.11 - Step 5: Solve for x
x = 166,601,604,215.11/471,105.10 - Step 6: Final answer
x = 353,639.99
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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.