Finding the Fourth Proportional to 357,466.14, 493,311.84 and 196,324.68
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Solution
The fourth proportional to 357,466.14, 493,311.84 and 196,324.68 is: 270,932.76
Step by Step Solution
- Step 1: Write the proportion equation
357,466.14 : 493,311.84 = 196,324.68 : x - Step 2: Convert to fraction form
357,466.14/493,311.84 = 196,324.68/x - Step 3: Cross multiply
357,466.14x = 493,311.84 × 196,324.68 - Step 4: Simplify right side
357,466.14x = 96,849,289,128.21 - Step 5: Solve for x
x = 96,849,289,128.21/357,466.14 - Step 6: Final answer
x = 270,932.76
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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.