Finding the Fourth Proportional to 220,579.74, 331,017.84 and 219,768.12
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Solution
The fourth proportional to 220,579.74, 331,017.84 and 219,768.12 is: 329,799.86
Step by Step Solution
- Step 1: Write the proportion equation
220,579.74 : 331,017.84 = 219,768.12 : x - Step 2: Convert to fraction form
220,579.74/331,017.84 = 219,768.12/x - Step 3: Cross multiply
220,579.74x = 331,017.84 × 219,768.12 - Step 4: Simplify right side
220,579.74x = 72,747,168,383.26 - Step 5: Solve for x
x = 72,747,168,383.26/220,579.74 - Step 6: Final answer
x = 329,799.86
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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.