Finding the Fourth Proportional to 254,236.84, 381,357.96 and 76,745.32
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Solution
The fourth proportional to 254,236.84, 381,357.96 and 76,745.32 is: 115,118.80
Step by Step Solution
- Step 1: Write the proportion equation
254,236.84 : 381,357.96 = 76,745.32 : x - Step 2: Convert to fraction form
254,236.84/381,357.96 = 76,745.32/x - Step 3: Cross multiply
254,236.84x = 381,357.96 × 76,745.32 - Step 4: Simplify right side
254,236.84x = 29,267,438,674.75 - Step 5: Solve for x
x = 29,267,438,674.75/254,236.84 - Step 6: Final answer
x = 115,118.80
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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.