Finding the Fourth Proportional to 394,299.13, 591,026.34 and 281,637.67
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Solution
The fourth proportional to 394,299.13, 591,026.34 and 281,637.67 is: 422,154.83
Step by Step Solution
- Step 1: Write the proportion equation
394,299.13 : 591,026.34 = 281,637.67 : x - Step 2: Convert to fraction form
394,299.13/591,026.34 = 281,637.67/x - Step 3: Cross multiply
394,299.13x = 591,026.34 × 281,637.67 - Step 4: Simplify right side
394,299.13x = 166,455,281,306.23 - Step 5: Solve for x
x = 166,455,281,306.23/394,299.13 - Step 6: Final answer
x = 422,154.83
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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.