Finding the Fourth Proportional to 618,469.11, 926,828.87 and 263,125.35
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Solution
The fourth proportional to 618,469.11, 926,828.87 and 263,125.35 is: 394,315.84
Step by Step Solution
- Step 1: Write the proportion equation
618,469.11 : 926,828.87 = 263,125.35 : x - Step 2: Convert to fraction form
618,469.11/926,828.87 = 263,125.35/x - Step 3: Cross multiply
618,469.11x = 926,828.87 × 263,125.35 - Step 4: Simplify right side
618,469.11x = 243,872,169,493.23 - Step 5: Solve for x
x = 243,872,169,493.23/618,469.11 - Step 6: Final answer
x = 394,315.84
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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.