Finding the Fourth Proportional to 455,568.91, 628,035.53 and 353,414.14
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Solution
The fourth proportional to 455,568.91, 628,035.53 and 353,414.14 is: 487,207.60
Step by Step Solution
- Step 1: Write the proportion equation
455,568.91 : 628,035.53 = 353,414.14 : x - Step 2: Convert to fraction form
455,568.91/628,035.53 = 353,414.14/x - Step 3: Cross multiply
455,568.91x = 628,035.53 × 353,414.14 - Step 4: Simplify right side
455,568.91x = 221,956,633,387.24 - Step 5: Solve for x
x = 221,956,633,387.24/455,568.91 - Step 6: Final answer
x = 487,207.60
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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.