Finding the Fourth Proportional to 221,701.10, 332,551.65 and 218,201.90
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Solution
The fourth proportional to 221,701.10, 332,551.65 and 218,201.90 is: 327,302.85
Step by Step Solution
- Step 1: Write the proportion equation
221,701.10 : 332,551.65 = 218,201.90 : x - Step 2: Convert to fraction form
221,701.10/332,551.65 = 218,201.90/x - Step 3: Cross multiply
221,701.10x = 332,551.65 × 218,201.90 - Step 4: Simplify right side
221,701.10x = 72,563,401,878.14 - Step 5: Solve for x
x = 72,563,401,878.14/221,701.10 - Step 6: Final answer
x = 327,302.85
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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.