Finding the Fourth Proportional to 221,885.58, 332,911.48 and 115,202.94
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Solution
The fourth proportional to 221,885.58, 332,911.48 and 115,202.94 is: 172,847.56
Step by Step Solution
- Step 1: Write the proportion equation
221,885.58 : 332,911.48 = 115,202.94 : x - Step 2: Convert to fraction form
221,885.58/332,911.48 = 115,202.94/x - Step 3: Cross multiply
221,885.58x = 332,911.48 × 115,202.94 - Step 4: Simplify right side
221,885.58x = 38,352,381,255.75 - Step 5: Solve for x
x = 38,352,381,255.75/221,885.58 - Step 6: Final answer
x = 172,847.56
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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.