Finding the Fourth Proportional to 227,089.97, 313,369.11 and 136,449.75
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Solution
The fourth proportional to 227,089.97, 313,369.11 and 136,449.75 is: 188,291.61
Step by Step Solution
- Step 1: Write the proportion equation
227,089.97 : 313,369.11 = 136,449.75 : x - Step 2: Convert to fraction form
227,089.97/313,369.11 = 136,449.75/x - Step 3: Cross multiply
227,089.97x = 313,369.11 × 136,449.75 - Step 4: Simplify right side
227,089.97x = 42,759,136,717.22 - Step 5: Solve for x
x = 42,759,136,717.22/227,089.97 - Step 6: Final answer
x = 188,291.61
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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.