Finding the Fourth Proportional to 396,440.21, 547,114.14 and 224,357.73
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Solution
The fourth proportional to 396,440.21, 547,114.14 and 224,357.73 is: 309,628.75
Step by Step Solution
- Step 1: Write the proportion equation
396,440.21 : 547,114.14 = 224,357.73 : x - Step 2: Convert to fraction form
396,440.21/547,114.14 = 224,357.73/x - Step 3: Cross multiply
396,440.21x = 547,114.14 × 224,357.73 - Step 4: Simplify right side
396,440.21x = 122,749,286,501.30 - Step 5: Solve for x
x = 122,749,286,501.30/396,440.21 - Step 6: Final answer
x = 309,628.75
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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.