Finding the Fourth Proportional to 395,576.73, 545,863.46 and 223,509.65
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Solution
The fourth proportional to 395,576.73, 545,863.46 and 223,509.65 is: 308,424.99
Step by Step Solution
- Step 1: Write the proportion equation
395,576.73 : 545,863.46 = 223,509.65 : x - Step 2: Convert to fraction form
395,576.73/545,863.46 = 223,509.65/x - Step 3: Cross multiply
395,576.73x = 545,863.46 × 223,509.65 - Step 4: Simplify right side
395,576.73x = 122,005,747,045.52 - Step 5: Solve for x
x = 122,005,747,045.52/395,576.73 - Step 6: Final answer
x = 308,424.99
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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.