Finding the Fourth Proportional to 362,163.14, 499,785.46 and 217,053.21
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Solution
The fourth proportional to 362,163.14, 499,785.46 and 217,053.21 is: 299,533.62
Step by Step Solution
- Step 1: Write the proportion equation
362,163.14 : 499,785.46 = 217,053.21 : x - Step 2: Convert to fraction form
362,163.14/499,785.46 = 217,053.21/x - Step 3: Cross multiply
362,163.14x = 499,785.46 × 217,053.21 - Step 4: Simplify right side
362,163.14x = 108,480,037,319.06 - Step 5: Solve for x
x = 108,480,037,319.06/362,163.14 - Step 6: Final answer
x = 299,533.62
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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.