Finding the Fourth Proportional to 451,059.18, 622,459.84 and 247,109.81
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Solution
The fourth proportional to 451,059.18, 622,459.84 and 247,109.81 is: 341,010.54
Step by Step Solution
- Step 1: Write the proportion equation
451,059.18 : 622,459.84 = 247,109.81 : x - Step 2: Convert to fraction form
451,059.18/622,459.84 = 247,109.81/x - Step 3: Cross multiply
451,059.18x = 622,459.84 × 247,109.81 - Step 4: Simplify right side
451,059.18x = 153,815,934,780.29 - Step 5: Solve for x
x = 153,815,934,780.29/451,059.18 - Step 6: Final answer
x = 341,010.54
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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.