Finding the Fourth Proportional to 378,737.90, 522,847.68 and 235,544.08
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Solution
The fourth proportional to 378,737.90, 522,847.68 and 235,544.08 is: 325,168.61
Step by Step Solution
- Step 1: Write the proportion equation
378,737.90 : 522,847.68 = 235,544.08 : x - Step 2: Convert to fraction form
378,737.90/522,847.68 = 235,544.08/x - Step 3: Cross multiply
378,737.90x = 522,847.68 × 235,544.08 - Step 4: Simplify right side
378,737.90x = 123,153,675,765.73 - Step 5: Solve for x
x = 123,153,675,765.73/378,737.90 - Step 6: Final answer
x = 325,168.61
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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.