Finding the Fourth Proportional to 201,520.98, 278,098.92 and 110,874.96
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Solution
The fourth proportional to 201,520.98, 278,098.92 and 110,874.96 is: 153,007.43
Step by Step Solution
- Step 1: Write the proportion equation
201,520.98 : 278,098.92 = 110,874.96 : x - Step 2: Convert to fraction form
201,520.98/278,098.92 = 110,874.96/x - Step 3: Cross multiply
201,520.98x = 278,098.92 × 110,874.96 - Step 4: Simplify right side
201,520.98x = 30,834,206,631.04 - Step 5: Solve for x
x = 30,834,206,631.04/201,520.98 - Step 6: Final answer
x = 153,007.43
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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.