Finding the Fourth Proportional to 254,405.81, 381,783.68 and 88,193.81
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Solution
The fourth proportional to 254,405.81, 381,783.68 and 88,193.81 is: 132,351.37
Step by Step Solution
- Step 1: Write the proportion equation
254,405.81 : 381,783.68 = 88,193.81 : x - Step 2: Convert to fraction form
254,405.81/381,783.68 = 88,193.81/x - Step 3: Cross multiply
254,405.81x = 381,783.68 × 88,193.81 - Step 4: Simplify right side
254,405.81x = 33,670,958,179.24 - Step 5: Solve for x
x = 33,670,958,179.24/254,405.81 - Step 6: Final answer
x = 132,351.37
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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.