Finding the Fourth Proportional to 221,442.24, 305,587.44 and 120,833.76
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Solution
The fourth proportional to 221,442.24, 305,587.44 and 120,833.76 is: 166,749.03
Step by Step Solution
- Step 1: Write the proportion equation
221,442.24 : 305,587.44 = 120,833.76 : x - Step 2: Convert to fraction form
221,442.24/305,587.44 = 120,833.76/x - Step 3: Cross multiply
221,442.24x = 305,587.44 × 120,833.76 - Step 4: Simplify right side
221,442.24x = 36,925,279,383.97 - Step 5: Solve for x
x = 36,925,279,383.97/221,442.24 - Step 6: Final answer
x = 166,749.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.