Finding the Fourth Proportional to 221,997.40, 332,996.10 and 201,779.80
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Solution
The fourth proportional to 221,997.40, 332,996.10 and 201,779.80 is: 302,669.70
Step by Step Solution
- Step 1: Write the proportion equation
221,997.40 : 332,996.10 = 201,779.80 : x - Step 2: Convert to fraction form
221,997.40/332,996.10 = 201,779.80/x - Step 3: Cross multiply
221,997.40x = 332,996.10 × 201,779.80 - Step 4: Simplify right side
221,997.40x = 67,191,886,458.78 - Step 5: Solve for x
x = 67,191,886,458.78/221,997.40 - Step 6: Final answer
x = 302,669.70
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1.5x scale
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.