Finding the Fourth Proportional to 449,492.26, 620,299.30 and 248,288.26
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Solution
The fourth proportional to 449,492.26, 620,299.30 and 248,288.26 is: 342,637.79
Step by Step Solution
- Step 1: Write the proportion equation
449,492.26 : 620,299.30 = 248,288.26 : x - Step 2: Convert to fraction form
449,492.26/620,299.30 = 248,288.26/x - Step 3: Cross multiply
449,492.26x = 620,299.30 × 248,288.26 - Step 4: Simplify right side
449,492.26x = 154,013,033,876.22 - Step 5: Solve for x
x = 154,013,033,876.22/449,492.26 - Step 6: Final answer
x = 342,637.79
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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.