Finding the Fourth Proportional to 341,785.20, 512,677.80 and 201,817.20
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Solution
The fourth proportional to 341,785.20, 512,677.80 and 201,817.20 is: 302,725.80
Step by Step Solution
- Step 1: Write the proportion equation
341,785.20 : 512,677.80 = 201,817.20 : x - Step 2: Convert to fraction form
341,785.20/512,677.80 = 201,817.20/x - Step 3: Cross multiply
341,785.20x = 512,677.80 × 201,817.20 - Step 4: Simplify right side
341,785.20x = 103,467,198,098.16 - Step 5: Solve for x
x = 103,467,198,098.16/341,785.20 - Step 6: Final answer
x = 302,725.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.