Finding the Fourth Proportional to 110,509.70, 165,764.55 and 27,403.70
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Solution
The fourth proportional to 110,509.70, 165,764.55 and 27,403.70 is: 41,105.55
Step by Step Solution
- Step 1: Write the proportion equation
110,509.70 : 165,764.55 = 27,403.70 : x - Step 2: Convert to fraction form
110,509.70/165,764.55 = 27,403.70/x - Step 3: Cross multiply
110,509.70x = 165,764.55 × 27,403.70 - Step 4: Simplify right side
110,509.70x = 4,542,561,998.84 - Step 5: Solve for x
x = 4,542,561,998.84/110,509.70 - Step 6: Final answer
x = 41,105.55
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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.