Finding the Fourth Proportional to 720,001.75, 1,080,177.60 and 221,365.75
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Solution
The fourth proportional to 720,001.75, 1,080,177.60 and 221,365.75 is: 332,102.42
Step by Step Solution
- Step 1: Write the proportion equation
720,001.75 : 1,080,177.60 = 221,365.75 : x - Step 2: Convert to fraction form
720,001.75/1,080,177.60 = 221,365.75/x - Step 3: Cross multiply
720,001.75x = 1,080,177.60 × 221,365.75 - Step 4: Simplify right side
720,001.75x = 239,114,324,557.20 - Step 5: Solve for x
x = 239,114,324,557.20/720,001.75 - Step 6: Final answer
x = 332,102.42
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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.