Finding the Fourth Proportional to 378,525.80, 567,306.30 and 201,117.80
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Solution
The fourth proportional to 378,525.80, 567,306.30 and 201,117.80 is: 301,420.39
Step by Step Solution
- Step 1: Write the proportion equation
378,525.80 : 567,306.30 = 201,117.80 : x - Step 2: Convert to fraction form
378,525.80/567,306.30 = 201,117.80/x - Step 3: Cross multiply
378,525.80x = 567,306.30 × 201,117.80 - Step 4: Simplify right side
378,525.80x = 114,095,394,982.14 - Step 5: Solve for x
x = 114,095,394,982.14/378,525.80 - Step 6: Final answer
x = 301,420.39
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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.