Finding the Fourth Proportional to 395,971.18, 546,438.48 and 214,682.54
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Solution
The fourth proportional to 395,971.18, 546,438.48 and 214,682.54 is: 296,260.96
Step by Step Solution
- Step 1: Write the proportion equation
395,971.18 : 546,438.48 = 214,682.54 : x - Step 2: Convert to fraction form
395,971.18/546,438.48 = 214,682.54/x - Step 3: Cross multiply
395,971.18x = 546,438.48 × 214,682.54 - Step 4: Simplify right side
395,971.18x = 117,310,800,840.14 - Step 5: Solve for x
x = 117,310,800,840.14/395,971.18 - Step 6: Final answer
x = 296,260.96
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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.