Finding the Fourth Proportional to 221,855.70, 332,783.55 and 195,611.70
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Solution
The fourth proportional to 221,855.70, 332,783.55 and 195,611.70 is: 293,417.55
Step by Step Solution
- Step 1: Write the proportion equation
221,855.70 : 332,783.55 = 195,611.70 : x - Step 2: Convert to fraction form
221,855.70/332,783.55 = 195,611.70/x - Step 3: Cross multiply
221,855.70x = 332,783.55 × 195,611.70 - Step 4: Simplify right side
221,855.70x = 65,096,355,947.54 - Step 5: Solve for x
x = 65,096,355,947.54/221,855.70 - Step 6: Final answer
x = 293,417.55
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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.