Finding the Fourth Proportional to 76,246.80, 114,370.20 and 56,563.80
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Solution
The fourth proportional to 76,246.80, 114,370.20 and 56,563.80 is: 84,845.70
Step by Step Solution
- Step 1: Write the proportion equation
76,246.80 : 114,370.20 = 56,563.80 : x - Step 2: Convert to fraction form
76,246.80/114,370.20 = 56,563.80/x - Step 3: Cross multiply
76,246.80x = 114,370.20 × 56,563.80 - Step 4: Simplify right side
76,246.80x = 6,469,213,118.76 - Step 5: Solve for x
x = 6,469,213,118.76/76,246.80 - Step 6: Final answer
x = 84,845.70
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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.