Finding the Fourth Proportional to 221,577.40, 332,366.10 and 133,103.80
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Solution
The fourth proportional to 221,577.40, 332,366.10 and 133,103.80 is: 199,655.70
Step by Step Solution
- Step 1: Write the proportion equation
221,577.40 : 332,366.10 = 133,103.80 : x - Step 2: Convert to fraction form
221,577.40/332,366.10 = 133,103.80/x - Step 3: Cross multiply
221,577.40x = 332,366.10 × 133,103.80 - Step 4: Simplify right side
221,577.40x = 44,239,190,901.18 - Step 5: Solve for x
x = 44,239,190,901.18/221,577.40 - Step 6: Final answer
x = 199,655.70
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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.