Finding the Fourth Proportional to 413,820.10, 620,845.35 and 203,464.90
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Solution
The fourth proportional to 413,820.10, 620,845.35 and 203,464.90 is: 305,253.99
Step by Step Solution
- Step 1: Write the proportion equation
413,820.10 : 620,845.35 = 203,464.90 : x - Step 2: Convert to fraction form
413,820.10/620,845.35 = 203,464.90/x - Step 3: Cross multiply
413,820.10x = 620,845.35 × 203,464.90 - Step 4: Simplify right side
413,820.10x = 126,320,237,053.22 - Step 5: Solve for x
x = 126,320,237,053.22/413,820.10 - Step 6: Final answer
x = 305,253.99
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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.