Finding the Fourth Proportional to 436,818.24, 655,008.09 and 254,508.05
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Solution
The fourth proportional to 436,818.24, 655,008.09 and 254,508.05 is: 381,634.32
Step by Step Solution
- Step 1: Write the proportion equation
436,818.24 : 655,008.09 = 254,508.05 : x - Step 2: Convert to fraction form
436,818.24/655,008.09 = 254,508.05/x - Step 3: Cross multiply
436,818.24x = 655,008.09 × 254,508.05 - Step 4: Simplify right side
436,818.24x = 166,704,831,720.12 - Step 5: Solve for x
x = 166,704,831,720.12/436,818.24 - Step 6: Final answer
x = 381,634.32
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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.