Finding the Fourth Proportional to 191,713.84, 264,584.78 and 115,257.84
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Solution
The fourth proportional to 191,713.84, 264,584.78 and 115,257.84 is: 159,067.65
Step by Step Solution
- Step 1: Write the proportion equation
191,713.84 : 264,584.78 = 115,257.84 : x - Step 2: Convert to fraction form
191,713.84/264,584.78 = 115,257.84/x - Step 3: Cross multiply
191,713.84x = 264,584.78 × 115,257.84 - Step 4: Simplify right side
191,713.84x = 30,495,469,103.41 - Step 5: Solve for x
x = 30,495,469,103.41/191,713.84 - Step 6: Final answer
x = 159,067.65
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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.