Finding the Fourth Proportional to 221,489.30, 332,233.95 and 220,177.10
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Solution
The fourth proportional to 221,489.30, 332,233.95 and 220,177.10 is: 330,265.65
Step by Step Solution
- Step 1: Write the proportion equation
221,489.30 : 332,233.95 = 220,177.10 : x - Step 2: Convert to fraction form
221,489.30/332,233.95 = 220,177.10/x - Step 3: Cross multiply
221,489.30x = 332,233.95 × 220,177.10 - Step 4: Simplify right side
221,489.30x = 73,150,307,632.55 - Step 5: Solve for x
x = 73,150,307,632.55/221,489.30 - Step 6: Final answer
x = 330,265.65
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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.