Finding the Fourth Proportional to 363,037.72, 544,559.28 and 126,379.84
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Solution
The fourth proportional to 363,037.72, 544,559.28 and 126,379.84 is: 189,570.70
Step by Step Solution
- Step 1: Write the proportion equation
363,037.72 : 544,559.28 = 126,379.84 : x - Step 2: Convert to fraction form
363,037.72/544,559.28 = 126,379.84/x - Step 3: Cross multiply
363,037.72x = 544,559.28 × 126,379.84 - Step 4: Simplify right side
363,037.72x = 68,821,314,676.92 - Step 5: Solve for x
x = 68,821,314,676.92/363,037.72 - Step 6: Final answer
x = 189,570.70
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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.