Finding the Fourth Proportional to 113,266.44, 156,311.70 and 62,283.05
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Solution
The fourth proportional to 113,266.44, 156,311.70 and 62,283.05 is: 85,952.81
Step by Step Solution
- Step 1: Write the proportion equation
113,266.44 : 156,311.70 = 62,283.05 : x - Step 2: Convert to fraction form
113,266.44/156,311.70 = 62,283.05/x - Step 3: Cross multiply
113,266.44x = 156,311.70 × 62,283.05 - Step 4: Simplify right side
113,266.44x = 9,735,568,411.57 - Step 5: Solve for x
x = 9,735,568,411.57/113,266.44 - Step 6: Final answer
x = 85,952.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.