Finding the Fourth Proportional to 471,489.83, 650,203.70 and 316,790.96
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Solution
The fourth proportional to 471,489.83, 650,203.70 and 316,790.96 is: 436,867.66
Step by Step Solution
- Step 1: Write the proportion equation
471,489.83 : 650,203.70 = 316,790.96 : x - Step 2: Convert to fraction form
471,489.83/650,203.70 = 316,790.96/x - Step 3: Cross multiply
471,489.83x = 650,203.70 × 316,790.96 - Step 4: Simplify right side
471,489.83x = 205,978,654,360.11 - Step 5: Solve for x
x = 205,978,654,360.11/471,489.83 - Step 6: Final answer
x = 436,867.66
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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.