Finding the Fourth Proportional to 751,351.72, 1,127,212.12 and 218,877.42
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Solution
The fourth proportional to 751,351.72, 1,127,212.12 and 218,877.42 is: 328,369.89
Step by Step Solution
- Step 1: Write the proportion equation
751,351.72 : 1,127,212.12 = 218,877.42 : x - Step 2: Convert to fraction form
751,351.72/1,127,212.12 = 218,877.42/x - Step 3: Cross multiply
751,351.72x = 1,127,212.12 × 218,877.42 - Step 4: Simplify right side
751,351.72x = 246,721,280,618.33 - Step 5: Solve for x
x = 246,721,280,618.33/751,351.72 - Step 6: Final answer
x = 328,369.89
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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.