Finding the Fourth Proportional to 394,609.62, 544,709.36 and 258,652.32
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Solution
The fourth proportional to 394,609.62, 544,709.36 and 258,652.32 is: 357,037.27
Step by Step Solution
- Step 1: Write the proportion equation
394,609.62 : 544,709.36 = 258,652.32 : x - Step 2: Convert to fraction form
394,609.62/544,709.36 = 258,652.32/x - Step 3: Cross multiply
394,609.62x = 544,709.36 × 258,652.32 - Step 4: Simplify right side
394,609.62x = 140,890,339,689.72 - Step 5: Solve for x
x = 140,890,339,689.72/394,609.62 - Step 6: Final answer
x = 357,037.27
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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.