Finding the Fourth Proportional to 568,285.22, 784,235.28 and 310,164.55
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Solution
The fourth proportional to 568,285.22, 784,235.28 and 310,164.55 is: 428,027.99
Step by Step Solution
- Step 1: Write the proportion equation
568,285.22 : 784,235.28 = 310,164.55 : x - Step 2: Convert to fraction form
568,285.22/784,235.28 = 310,164.55/x - Step 3: Cross multiply
568,285.22x = 784,235.28 × 310,164.55 - Step 4: Simplify right side
568,285.22x = 243,241,981,917.85 - Step 5: Solve for x
x = 243,241,981,917.85/568,285.22 - Step 6: Final answer
x = 428,027.99
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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.