Finding the Fourth Proportional to 243,867.53, 365,836.34 and 75,400.99
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Solution
The fourth proportional to 243,867.53, 365,836.34 and 75,400.99 is: 113,112.32
Step by Step Solution
- Step 1: Write the proportion equation
243,867.53 : 365,836.34 = 75,400.99 : x - Step 2: Convert to fraction form
243,867.53/365,836.34 = 75,400.99/x - Step 3: Cross multiply
243,867.53x = 365,836.34 × 75,400.99 - Step 4: Simplify right side
243,867.53x = 27,584,422,213.98 - Step 5: Solve for x
x = 27,584,422,213.98/243,867.53 - Step 6: Final answer
x = 113,112.32
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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.