Finding the Fourth Proportional to 132,258.06, 198,388.71 and 38,765.70
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Solution
The fourth proportional to 132,258.06, 198,388.71 and 38,765.70 is: 58,149.02
Step by Step Solution
- Step 1: Write the proportion equation
132,258.06 : 198,388.71 = 38,765.70 : x - Step 2: Convert to fraction form
132,258.06/198,388.71 = 38,765.70/x - Step 3: Cross multiply
132,258.06x = 198,388.71 × 38,765.70 - Step 4: Simplify right side
132,258.06x = 7,690,677,215.25 - Step 5: Solve for x
x = 7,690,677,215.25/132,258.06 - Step 6: Final answer
x = 58,149.02
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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.