Finding the Fourth Proportional to 73,648.22, 110,478.68 and 20,340.18
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Solution
The fourth proportional to 73,648.22, 110,478.68 and 20,340.18 is: 30,512.02
Step by Step Solution
- Step 1: Write the proportion equation
73,648.22 : 110,478.68 = 20,340.18 : x - Step 2: Convert to fraction form
73,648.22/110,478.68 = 20,340.18/x - Step 3: Cross multiply
73,648.22x = 110,478.68 × 20,340.18 - Step 4: Simplify right side
73,648.22x = 2,247,156,237.36 - Step 5: Solve for x
x = 2,247,156,237.36/73,648.22 - Step 6: Final answer
x = 30,512.02
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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.