Finding the Fourth Proportional to 449,529.97, 620,363.41 and 245,589.48
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Solution
The fourth proportional to 449,529.97, 620,363.41 and 245,589.48 is: 338,920.07
Step by Step Solution
- Step 1: Write the proportion equation
449,529.97 : 620,363.41 = 245,589.48 : x - Step 2: Convert to fraction form
449,529.97/620,363.41 = 245,589.48/x - Step 3: Cross multiply
449,529.97x = 620,363.41 × 245,589.48 - Step 4: Simplify right side
449,529.97x = 152,354,727,272.93 - Step 5: Solve for x
x = 152,354,727,272.93/449,529.97 - Step 6: Final answer
x = 338,920.07
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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.