Finding the Fourth Proportional to 110,310.24, 165,502.80 and 48,021.60
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Solution
The fourth proportional to 110,310.24, 165,502.80 and 48,021.60 is: 72,048.70
Step by Step Solution
- Step 1: Write the proportion equation
110,310.24 : 165,502.80 = 48,021.60 : x - Step 2: Convert to fraction form
110,310.24/165,502.80 = 48,021.60/x - Step 3: Cross multiply
110,310.24x = 165,502.80 × 48,021.60 - Step 4: Simplify right side
110,310.24x = 7,947,709,260.48 - Step 5: Solve for x
x = 7,947,709,260.48/110,310.24 - Step 6: Final answer
x = 72,048.70
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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.