Finding the Fourth Proportional to 129,977.19, 194,816.34 and 59,708.88
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Solution
The fourth proportional to 129,977.19, 194,816.34 and 59,708.88 is: 89,494.67
Step by Step Solution
- Step 1: Write the proportion equation
129,977.19 : 194,816.34 = 59,708.88 : x - Step 2: Convert to fraction form
129,977.19/194,816.34 = 59,708.88/x - Step 3: Cross multiply
129,977.19x = 194,816.34 × 59,708.88 - Step 4: Simplify right side
129,977.19x = 11,632,265,467.10 - Step 5: Solve for x
x = 11,632,265,467.10/129,977.19 - Step 6: Final answer
x = 89,494.67
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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.