Finding the Fourth Proportional to 110,839.60, 166,210.80 and 44,257.60
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Solution
The fourth proportional to 110,839.60, 166,210.80 and 44,257.60 is: 66,366.99
Step by Step Solution
- Step 1: Write the proportion equation
110,839.60 : 166,210.80 = 44,257.60 : x - Step 2: Convert to fraction form
110,839.60/166,210.80 = 44,257.60/x - Step 3: Cross multiply
110,839.60x = 166,210.80 × 44,257.60 - Step 4: Simplify right side
110,839.60x = 7,356,091,102.08 - Step 5: Solve for x
x = 7,356,091,102.08/110,839.60 - Step 6: Final answer
x = 66,366.99
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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.