Finding the Fourth Proportional to 216,027.20, 324,040.80 and 162,372.80
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Solution
The fourth proportional to 216,027.20, 324,040.80 and 162,372.80 is: 243,559.20
Step by Step Solution
- Step 1: Write the proportion equation
216,027.20 : 324,040.80 = 162,372.80 : x - Step 2: Convert to fraction form
216,027.20/324,040.80 = 162,372.80/x - Step 3: Cross multiply
216,027.20x = 324,040.80 × 162,372.80 - Step 4: Simplify right side
216,027.20x = 52,615,412,010.24 - Step 5: Solve for x
x = 52,615,412,010.24/216,027.20 - Step 6: Final answer
x = 243,559.20
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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.