Finding the Fourth Proportional to 571,431.13, 857,313.97 and 255,817.69
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Solution
The fourth proportional to 571,431.13, 857,313.97 and 255,817.69 is: 383,801.42
Step by Step Solution
- Step 1: Write the proportion equation
571,431.13 : 857,313.97 = 255,817.69 : x - Step 2: Convert to fraction form
571,431.13/857,313.97 = 255,817.69/x - Step 3: Cross multiply
571,431.13x = 857,313.97 × 255,817.69 - Step 4: Simplify right side
571,431.13x = 219,316,079,410.13 - Step 5: Solve for x
x = 219,316,079,410.13/571,431.13 - Step 6: Final answer
x = 383,801.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.