Finding the Fourth Proportional to 378,751.23, 522,865.98 and 235,557.45
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Solution
The fourth proportional to 378,751.23, 522,865.98 and 235,557.45 is: 325,187.00
Step by Step Solution
- Step 1: Write the proportion equation
378,751.23 : 522,865.98 = 235,557.45 : x - Step 2: Convert to fraction form
378,751.23/522,865.98 = 235,557.45/x - Step 3: Cross multiply
378,751.23x = 522,865.98 × 235,557.45 - Step 4: Simplify right side
378,751.23x = 123,164,976,940.55 - Step 5: Solve for x
x = 123,164,976,940.55/378,751.23 - Step 6: Final answer
x = 325,187.00
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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.