Finding the Fourth Proportional to 202,433.04, 279,354.42 and 111,786.75
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Solution
The fourth proportional to 202,433.04, 279,354.42 and 111,786.75 is: 154,263.96
Step by Step Solution
- Step 1: Write the proportion equation
202,433.04 : 279,354.42 = 111,786.75 : x - Step 2: Convert to fraction form
202,433.04/279,354.42 = 111,786.75/x - Step 3: Cross multiply
202,433.04x = 279,354.42 × 111,786.75 - Step 4: Simplify right side
202,433.04x = 31,228,122,709.94 - Step 5: Solve for x
x = 31,228,122,709.94/202,433.04 - Step 6: Final answer
x = 154,263.96
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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.