Finding the Fourth Proportional to 202,608.24, 279,598.68 and 111,961.68
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Solution
The fourth proportional to 202,608.24, 279,598.68 and 111,961.68 is: 154,506.74
Step by Step Solution
- Step 1: Write the proportion equation
202,608.24 : 279,598.68 = 111,961.68 : x - Step 2: Convert to fraction form
202,608.24/279,598.68 = 111,961.68/x - Step 3: Cross multiply
202,608.24x = 279,598.68 × 111,961.68 - Step 4: Simplify right side
202,608.24x = 31,304,337,938.58 - Step 5: Solve for x
x = 31,304,337,938.58/202,608.24 - Step 6: Final answer
x = 154,506.74
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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.