Finding the Fourth Proportional to 378,560.18, 567,627.36 and 125,705.35
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Solution
The fourth proportional to 378,560.18, 567,627.36 and 125,705.35 is: 188,487.33
Step by Step Solution
- Step 1: Write the proportion equation
378,560.18 : 567,627.36 = 125,705.35 : x - Step 2: Convert to fraction form
378,560.18/567,627.36 = 125,705.35/x - Step 3: Cross multiply
378,560.18x = 567,627.36 × 125,705.35 - Step 4: Simplify right side
378,560.18x = 71,353,795,958.38 - Step 5: Solve for x
x = 71,353,795,958.38/378,560.18 - Step 6: Final answer
x = 188,487.33
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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.