Finding the Fourth Proportional to 378,266.80, 567,400.20 and 201,119.80
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Solution
The fourth proportional to 378,266.80, 567,400.20 and 201,119.80 is: 301,679.70
Step by Step Solution
- Step 1: Write the proportion equation
378,266.80 : 567,400.20 = 201,119.80 : x - Step 2: Convert to fraction form
378,266.80/567,400.20 = 201,119.80/x - Step 3: Cross multiply
378,266.80x = 567,400.20 × 201,119.80 - Step 4: Simplify right side
378,266.80x = 114,115,414,743.96 - Step 5: Solve for x
x = 114,115,414,743.96/378,266.80 - Step 6: Final answer
x = 301,679.70
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1.5x scale
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.