Finding the Fourth Proportional to 413,818.10, 620,842.35 and 203,462.90
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Solution
The fourth proportional to 413,818.10, 620,842.35 and 203,462.90 is: 305,250.99
Step by Step Solution
- Step 1: Write the proportion equation
413,818.10 : 620,842.35 = 203,462.90 : x - Step 2: Convert to fraction form
413,818.10/620,842.35 = 203,462.90/x - Step 3: Cross multiply
413,818.10x = 620,842.35 × 203,462.90 - Step 4: Simplify right side
413,818.10x = 126,318,384,973.82 - Step 5: Solve for x
x = 126,318,384,973.82/413,818.10 - Step 6: Final answer
x = 305,250.99
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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.