Finding the Fourth Proportional to 254,323.98, 381,489.60 and 76,832.52
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Solution
The fourth proportional to 254,323.98, 381,489.60 and 76,832.52 is: 115,249.88
Step by Step Solution
- Step 1: Write the proportion equation
254,323.98 : 381,489.60 = 76,832.52 : x - Step 2: Convert to fraction form
254,323.98/381,489.60 = 76,832.52/x - Step 3: Cross multiply
254,323.98x = 381,489.60 × 76,832.52 - Step 4: Simplify right side
254,323.98x = 29,310,807,321.79 - Step 5: Solve for x
x = 29,310,807,321.79/254,323.98 - Step 6: Final answer
x = 115,249.88
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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.