Finding the Fourth Proportional to 305,245.70, 420,753.58 and 240,610.14
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Solution
The fourth proportional to 305,245.70, 420,753.58 and 240,610.14 is: 331,659.31
Step by Step Solution
- Step 1: Write the proportion equation
305,245.70 : 420,753.58 = 240,610.14 : x - Step 2: Convert to fraction form
305,245.70/420,753.58 = 240,610.14/x - Step 3: Cross multiply
305,245.70x = 420,753.58 × 240,610.14 - Step 4: Simplify right side
305,245.70x = 101,237,577,789.30 - Step 5: Solve for x
x = 101,237,577,789.30/305,245.70 - Step 6: Final answer
x = 331,659.31
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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.