Finding the Fourth Proportional to 449,447.16, 620,269.74 and 258,520.44
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Solution
The fourth proportional to 449,447.16, 620,269.74 and 258,520.44 is: 356,776.99
Step by Step Solution
- Step 1: Write the proportion equation
449,447.16 : 620,269.74 = 258,520.44 : x - Step 2: Convert to fraction form
449,447.16/620,269.74 = 258,520.44/x - Step 3: Cross multiply
449,447.16x = 620,269.74 × 258,520.44 - Step 4: Simplify right side
449,447.16x = 160,352,406,103.49 - Step 5: Solve for x
x = 160,352,406,103.49/449,447.16 - Step 6: Final answer
x = 356,776.99
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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.