Finding the Fourth Proportional to 221,821.41, 332,954.06 and 103,575.99
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Solution
The fourth proportional to 221,821.41, 332,954.06 and 103,575.99 is: 155,467.62
Step by Step Solution
- Step 1: Write the proportion equation
221,821.41 : 332,954.06 = 103,575.99 : x - Step 2: Convert to fraction form
221,821.41/332,954.06 = 103,575.99/x - Step 3: Cross multiply
221,821.41x = 332,954.06 × 103,575.99 - Step 4: Simplify right side
221,821.41x = 34,486,045,871.14 - Step 5: Solve for x
x = 34,486,045,871.14/221,821.41 - Step 6: Final answer
x = 155,467.62
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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.