Finding the Fourth Proportional to 394,246.80, 591,370.20 and 226,285.20
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Solution
The fourth proportional to 394,246.80, 591,370.20 and 226,285.20 is: 339,427.80
Step by Step Solution
- Step 1: Write the proportion equation
394,246.80 : 591,370.20 = 226,285.20 : x - Step 2: Convert to fraction form
394,246.80/591,370.20 = 226,285.20/x - Step 3: Cross multiply
394,246.80x = 591,370.20 × 226,285.20 - Step 4: Simplify right side
394,246.80x = 133,818,323,981.04 - Step 5: Solve for x
x = 133,818,323,981.04/394,246.80 - Step 6: Final answer
x = 339,427.80
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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.