Finding the Fourth Proportional to 92,202.21, 138,215.84 and 33,007.41
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Solution
The fourth proportional to 92,202.21, 138,215.84 and 33,007.41 is: 49,479.80
Step by Step Solution
- Step 1: Write the proportion equation
92,202.21 : 138,215.84 = 33,007.41 : x - Step 2: Convert to fraction form
92,202.21/138,215.84 = 33,007.41/x - Step 3: Cross multiply
92,202.21x = 138,215.84 × 33,007.41 - Step 4: Simplify right side
92,202.21x = 4,562,146,734.34 - Step 5: Solve for x
x = 4,562,146,734.34/92,202.21 - Step 6: Final answer
x = 49,479.80
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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.