Finding the Fourth Proportional to 324,126.98, 486,407.91 and 113,765.54
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Solution
The fourth proportional to 324,126.98, 486,407.91 and 113,765.54 is: 170,724.63
Step by Step Solution
- Step 1: Write the proportion equation
324,126.98 : 486,407.91 = 113,765.54 : x - Step 2: Convert to fraction form
324,126.98/486,407.91 = 113,765.54/x - Step 3: Cross multiply
324,126.98x = 486,407.91 × 113,765.54 - Step 4: Simplify right side
324,126.98x = 55,336,458,541.42 - Step 5: Solve for x
x = 55,336,458,541.42/324,126.98 - Step 6: Final answer
x = 170,724.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.