Finding the Fourth Proportional to 331,336.56, 457,228.05 and 202,125.87
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Solution
The fourth proportional to 331,336.56, 457,228.05 and 202,125.87 is: 278,923.69
Step by Step Solution
- Step 1: Write the proportion equation
331,336.56 : 457,228.05 = 202,125.87 : x - Step 2: Convert to fraction form
331,336.56/457,228.05 = 202,125.87/x - Step 3: Cross multiply
331,336.56x = 457,228.05 × 202,125.87 - Step 4: Simplify right side
331,336.56x = 92,417,617,394.65 - Step 5: Solve for x
x = 92,417,617,394.65/331,336.56 - Step 6: Final answer
x = 278,923.69
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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.