Finding the Fourth Proportional to 110,711.70, 166,068.12 and 27,605.70
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Solution
The fourth proportional to 110,711.70, 166,068.12 and 27,605.70 is: 41,408.69
Step by Step Solution
- Step 1: Write the proportion equation
110,711.70 : 166,068.12 = 27,605.70 : x - Step 2: Convert to fraction form
110,711.70/166,068.12 = 27,605.70/x - Step 3: Cross multiply
110,711.70x = 166,068.12 × 27,605.70 - Step 4: Simplify right side
110,711.70x = 4,584,426,700.28 - Step 5: Solve for x
x = 4,584,426,700.28/110,711.70 - Step 6: Final answer
x = 41,408.69
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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.