Finding the Fourth Proportional to 118,171.11, 177,173.63 and 43,281.53
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Solution
The fourth proportional to 118,171.11, 177,173.63 and 43,281.53 is: 64,891.88
Step by Step Solution
- Step 1: Write the proportion equation
118,171.11 : 177,173.63 = 43,281.53 : x - Step 2: Convert to fraction form
118,171.11/177,173.63 = 43,281.53/x - Step 3: Cross multiply
118,171.11x = 177,173.63 × 43,281.53 - Step 4: Simplify right side
118,171.11x = 7,668,345,782.05 - Step 5: Solve for x
x = 7,668,345,782.05/118,171.11 - Step 6: Final answer
x = 64,891.88
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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.