Finding the Fourth Proportional to 221,620.08, 332,427.96 and 55,408.08
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Solution
The fourth proportional to 221,620.08, 332,427.96 and 55,408.08 is: 83,111.58
Step by Step Solution
- Step 1: Write the proportion equation
221,620.08 : 332,427.96 = 55,408.08 : x - Step 2: Convert to fraction form
221,620.08/332,427.96 = 55,408.08/x - Step 3: Cross multiply
221,620.08x = 332,427.96 × 55,408.08 - Step 4: Simplify right side
221,620.08x = 18,419,195,001.92 - Step 5: Solve for x
x = 18,419,195,001.92/221,620.08 - Step 6: Final answer
x = 83,111.58
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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.