Finding the Fourth Proportional to 154,462.24, 231,534.56 and 87,759.84
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Solution
The fourth proportional to 154,462.24, 231,534.56 and 87,759.84 is: 131,549.54
Step by Step Solution
- Step 1: Write the proportion equation
154,462.24 : 231,534.56 = 87,759.84 : x - Step 2: Convert to fraction form
154,462.24/231,534.56 = 87,759.84/x - Step 3: Cross multiply
154,462.24x = 231,534.56 × 87,759.84 - Step 4: Simplify right side
154,462.24x = 20,319,435,940.07 - Step 5: Solve for x
x = 20,319,435,940.07/154,462.24 - Step 6: Final answer
x = 131,549.54
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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.