Finding the Fourth Proportional to 110,768.80, 166,174.80 and 47,588.80
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Solution
The fourth proportional to 110,768.80, 166,174.80 and 47,588.80 is: 71,392.48
Step by Step Solution
- Step 1: Write the proportion equation
110,768.80 : 166,174.80 = 47,588.80 : x - Step 2: Convert to fraction form
110,768.80/166,174.80 = 47,588.80/x - Step 3: Cross multiply
110,768.80x = 166,174.80 × 47,588.80 - Step 4: Simplify right side
110,768.80x = 7,908,059,322.24 - Step 5: Solve for x
x = 7,908,059,322.24/110,768.80 - Step 6: Final answer
x = 71,392.48
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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.