Finding the Fourth Proportional to 221,921.44, 332,966.03 and 133,236.77
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Solution
The fourth proportional to 221,921.44, 332,966.03 and 133,236.77 is: 199,905.50
Step by Step Solution
- Step 1: Write the proportion equation
221,921.44 : 332,966.03 = 133,236.77 : x - Step 2: Convert to fraction form
221,921.44/332,966.03 = 133,236.77/x - Step 3: Cross multiply
221,921.44x = 332,966.03 × 133,236.77 - Step 4: Simplify right side
221,921.44x = 44,363,316,025.91 - Step 5: Solve for x
x = 44,363,316,025.91/221,921.44 - Step 6: Final answer
x = 199,905.50
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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.