Finding the Fourth Proportional to 226,765.12, 312,902.84 and 136,101.84
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Solution
The fourth proportional to 226,765.12, 312,902.84 and 136,101.84 is: 187,800.72
Step by Step Solution
- Step 1: Write the proportion equation
226,765.12 : 312,902.84 = 136,101.84 : x - Step 2: Convert to fraction form
226,765.12/312,902.84 = 136,101.84/x - Step 3: Cross multiply
226,765.12x = 312,902.84 × 136,101.84 - Step 4: Simplify right side
226,765.12x = 42,586,652,265.23 - Step 5: Solve for x
x = 42,586,652,265.23/226,765.12 - Step 6: Final answer
x = 187,800.72
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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.