Finding the Fourth Proportional to 202,037.76, 278,873.28 and 117,175.68
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Solution
The fourth proportional to 202,037.76, 278,873.28 and 117,175.68 is: 161,737.92
Step by Step Solution
- Step 1: Write the proportion equation
202,037.76 : 278,873.28 = 117,175.68 : x - Step 2: Convert to fraction form
202,037.76/278,873.28 = 117,175.68/x - Step 3: Cross multiply
202,037.76x = 278,873.28 × 117,175.68 - Step 4: Simplify right side
202,037.76x = 32,677,166,217.83 - Step 5: Solve for x
x = 32,677,166,217.83/202,037.76 - Step 6: Final answer
x = 161,737.92
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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.