Finding the Fourth Proportional to 204,402.31, 306,644.47 and 71,246.81
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Solution
The fourth proportional to 204,402.31, 306,644.47 and 71,246.81 is: 106,884.51
Step by Step Solution
- Step 1: Write the proportion equation
204,402.31 : 306,644.47 = 71,246.81 : x - Step 2: Convert to fraction form
204,402.31/306,644.47 = 71,246.81/x - Step 3: Cross multiply
204,402.31x = 306,644.47 × 71,246.81 - Step 4: Simplify right side
204,402.31x = 21,847,440,880.13 - Step 5: Solve for x
x = 21,847,440,880.13/204,402.31 - Step 6: Final answer
x = 106,884.51
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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.