Finding the Fourth Proportional to 254,648.16, 381,840.84 and 114,286.68
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Solution
The fourth proportional to 254,648.16, 381,840.84 and 114,286.68 is: 171,371.05
Step by Step Solution
- Step 1: Write the proportion equation
254,648.16 : 381,840.84 = 114,286.68 : x - Step 2: Convert to fraction form
254,648.16/381,840.84 = 114,286.68/x - Step 3: Cross multiply
254,648.16x = 381,840.84 × 114,286.68 - Step 4: Simplify right side
254,648.16x = 43,639,321,892.01 - Step 5: Solve for x
x = 43,639,321,892.01/254,648.16 - Step 6: Final answer
x = 171,371.05
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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.