Finding the Fourth Proportional to 505,201.71, 757,800.43 and 205,611.26
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Solution
The fourth proportional to 505,201.71, 757,800.43 and 205,611.26 is: 308,416.02
Step by Step Solution
- Step 1: Write the proportion equation
505,201.71 : 757,800.43 = 205,611.26 : x - Step 2: Convert to fraction form
505,201.71/757,800.43 = 205,611.26/x - Step 3: Cross multiply
505,201.71x = 757,800.43 × 205,611.26 - Step 4: Simplify right side
505,201.71x = 155,812,299,346.34 - Step 5: Solve for x
x = 155,812,299,346.34/505,201.71 - Step 6: Final answer
x = 308,416.02
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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.