Finding the Fourth Proportional to 331,478.65, 457,428.44 and 202,632.92
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Solution
The fourth proportional to 331,478.65, 457,428.44 and 202,632.92 is: 279,626.03
Step by Step Solution
- Step 1: Write the proportion equation
331,478.65 : 457,428.44 = 202,632.92 : x - Step 2: Convert to fraction form
331,478.65/457,428.44 = 202,632.92/x - Step 3: Cross multiply
331,478.65x = 457,428.44 × 202,632.92 - Step 4: Simplify right side
331,478.65x = 92,690,058,201.10 - Step 5: Solve for x
x = 92,690,058,201.10/331,478.65 - Step 6: Final answer
x = 279,626.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.