Finding the Fourth Proportional to 394,609.65, 544,709.41 and 258,652.36
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Solution
The fourth proportional to 394,609.65, 544,709.41 and 258,652.36 is: 357,037.32
Step by Step Solution
- Step 1: Write the proportion equation
394,609.65 : 544,709.41 = 258,652.36 : x - Step 2: Convert to fraction form
394,609.65/544,709.41 = 258,652.36/x - Step 3: Cross multiply
394,609.65x = 544,709.41 × 258,652.36 - Step 4: Simplify right side
394,609.65x = 140,890,372,402.30 - Step 5: Solve for x
x = 140,890,372,402.30/394,609.65 - Step 6: Final answer
x = 357,037.32
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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.