Finding the Fourth Proportional to 103,605.20, 155,408.64 and 33,484.48
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Solution
The fourth proportional to 103,605.20, 155,408.64 and 33,484.48 is: 50,226.99
Step by Step Solution
- Step 1: Write the proportion equation
103,605.20 : 155,408.64 = 33,484.48 : x - Step 2: Convert to fraction form
103,605.20/155,408.64 = 33,484.48/x - Step 3: Cross multiply
103,605.20x = 155,408.64 × 33,484.48 - Step 4: Simplify right side
103,605.20x = 5,203,777,497.91 - Step 5: Solve for x
x = 5,203,777,497.91/103,605.20 - Step 6: Final answer
x = 50,226.99
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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.