Finding the Fourth Proportional to 395,336.11, 545,561.52 and 214,044.23
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Solution
The fourth proportional to 395,336.11, 545,561.52 and 214,044.23 is: 295,379.79
Step by Step Solution
- Step 1: Write the proportion equation
395,336.11 : 545,561.52 = 214,044.23 : x - Step 2: Convert to fraction form
395,336.11/545,561.52 = 214,044.23/x - Step 3: Cross multiply
395,336.11x = 545,561.52 × 214,044.23 - Step 4: Simplify right side
395,336.11x = 116,774,295,466.03 - Step 5: Solve for x
x = 116,774,295,466.03/395,336.11 - Step 6: Final answer
x = 295,379.79
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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.