Finding the Fourth Proportional to 395,469.84, 545,745.64 and 214,177.64
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Solution
The fourth proportional to 395,469.84, 545,745.64 and 214,177.64 is: 295,563.66
Step by Step Solution
- Step 1: Write the proportion equation
395,469.84 : 545,745.64 = 214,177.64 : x - Step 2: Convert to fraction form
395,469.84/545,745.64 = 214,177.64/x - Step 3: Cross multiply
395,469.84x = 545,745.64 × 214,177.64 - Step 4: Simplify right side
395,469.84x = 116,886,513,215.49 - Step 5: Solve for x
x = 116,886,513,215.49/395,469.84 - Step 6: Final answer
x = 295,563.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.