Finding the Fourth Proportional to 378,751.73, 522,866.67 and 235,557.95
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Solution
The fourth proportional to 378,751.73, 522,866.67 and 235,557.95 is: 325,187.69
Step by Step Solution
- Step 1: Write the proportion equation
378,751.73 : 522,866.67 = 235,557.95 : x - Step 2: Convert to fraction form
378,751.73/522,866.67 = 235,557.95/x - Step 3: Cross multiply
378,751.73x = 522,866.67 × 235,557.95 - Step 4: Simplify right side
378,751.73x = 123,165,400,908.53 - Step 5: Solve for x
x = 123,165,400,908.53/378,751.73 - Step 6: Final answer
x = 325,187.69
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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.