Finding the Fourth Proportional to 395,318.88, 545,540.37 and 214,030.92
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Solution
The fourth proportional to 395,318.88, 545,540.37 and 214,030.92 is: 295,362.84
Step by Step Solution
- Step 1: Write the proportion equation
395,318.88 : 545,540.37 = 214,030.92 : x - Step 2: Convert to fraction form
395,318.88/545,540.37 = 214,030.92/x - Step 3: Cross multiply
395,318.88x = 545,540.37 × 214,030.92 - Step 4: Simplify right side
395,318.88x = 116,762,507,288.24 - Step 5: Solve for x
x = 116,762,507,288.24/395,318.88 - Step 6: Final answer
x = 295,362.84
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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.