Finding the Fourth Proportional to 330,542.75, 456,149.40 and 179,639.75
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Solution
The fourth proportional to 330,542.75, 456,149.40 and 179,639.75 is: 247,903.08
Step by Step Solution
- Step 1: Write the proportion equation
330,542.75 : 456,149.40 = 179,639.75 : x - Step 2: Convert to fraction form
330,542.75/456,149.40 = 179,639.75/x - Step 3: Cross multiply
330,542.75x = 456,149.40 × 179,639.75 - Step 4: Simplify right side
330,542.75x = 81,942,564,178.65 - Step 5: Solve for x
x = 81,942,564,178.65/330,542.75 - Step 6: Final answer
x = 247,903.08
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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.