Finding the Fourth Proportional to 395,808.12, 546,221.84 and 214,525.88
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Solution
The fourth proportional to 395,808.12, 546,221.84 and 214,525.88 is: 296,049.31
Step by Step Solution
- Step 1: Write the proportion equation
395,808.12 : 546,221.84 = 214,525.88 : x - Step 2: Convert to fraction form
395,808.12/546,221.84 = 214,525.88/x - Step 3: Cross multiply
395,808.12x = 546,221.84 × 214,525.88 - Step 4: Simplify right side
395,808.12x = 117,178,720,901.22 - Step 5: Solve for x
x = 117,178,720,901.22/395,808.12 - Step 6: Final answer
x = 296,049.31
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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.