Finding the Fourth Proportional to 292,285.40, 438,473.97 and 123,806.21
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Solution
The fourth proportional to 292,285.40, 438,473.97 and 123,806.21 is: 185,728.75
Step by Step Solution
- Step 1: Write the proportion equation
292,285.40 : 438,473.97 = 123,806.21 : x - Step 2: Convert to fraction form
292,285.40/438,473.97 = 123,806.21/x - Step 3: Cross multiply
292,285.40x = 438,473.97 × 123,806.21 - Step 4: Simplify right side
292,285.40x = 54,285,801,505.54 - Step 5: Solve for x
x = 54,285,801,505.54/292,285.40 - Step 6: Final answer
x = 185,728.75
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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.