Finding the Fourth Proportional to 449,592.57, 620,430.50 and 245,639.12
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Solution
The fourth proportional to 449,592.57, 620,430.50 and 245,639.12 is: 338,978.02
Step by Step Solution
- Step 1: Write the proportion equation
449,592.57 : 620,430.50 = 245,639.12 : x - Step 2: Convert to fraction form
449,592.57/620,430.50 = 245,639.12/x - Step 3: Cross multiply
449,592.57x = 620,430.50 × 245,639.12 - Step 4: Simplify right side
449,592.57x = 152,401,998,939.01 - Step 5: Solve for x
x = 152,401,998,939.01/449,592.57 - Step 6: Final answer
x = 338,978.02
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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.