Finding the Fourth Proportional to 110,485.92, 165,728.79 and 27,379.92
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Solution
The fourth proportional to 110,485.92, 165,728.79 and 27,379.92 is: 41,069.86
Step by Step Solution
- Step 1: Write the proportion equation
110,485.92 : 165,728.79 = 27,379.92 : x - Step 2: Convert to fraction form
110,485.92/165,728.79 = 27,379.92/x - Step 3: Cross multiply
110,485.92x = 165,728.79 × 27,379.92 - Step 4: Simplify right side
110,485.92x = 4,537,641,011.90 - Step 5: Solve for x
x = 4,537,641,011.90/110,485.92 - Step 6: Final answer
x = 41,069.86
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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.