Finding the Fourth Proportional to 220,258.52, 330,493.62 and 120,414.68
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Solution
The fourth proportional to 220,258.52, 330,493.62 and 120,414.68 is: 180,679.88
Step by Step Solution
- Step 1: Write the proportion equation
220,258.52 : 330,493.62 = 120,414.68 : x - Step 2: Convert to fraction form
220,258.52/330,493.62 = 120,414.68/x - Step 3: Cross multiply
220,258.52x = 330,493.62 × 120,414.68 - Step 4: Simplify right side
220,258.52x = 39,796,283,494.34 - Step 5: Solve for x
x = 39,796,283,494.34/220,258.52 - Step 6: Final answer
x = 180,679.88
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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.