Finding the Fourth Proportional to 331,977.24, 458,164.07 and 202,991.31
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Solution
The fourth proportional to 331,977.24, 458,164.07 and 202,991.31 is: 280,149.70
Step by Step Solution
- Step 1: Write the proportion equation
331,977.24 : 458,164.07 = 202,991.31 : x - Step 2: Convert to fraction form
331,977.24/458,164.07 = 202,991.31/x - Step 3: Cross multiply
331,977.24x = 458,164.07 × 202,991.31 - Step 4: Simplify right side
331,977.24x = 93,003,324,510.49 - Step 5: Solve for x
x = 93,003,324,510.49/331,977.24 - Step 6: Final answer
x = 280,149.70
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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.