Finding the Fourth Proportional to 211,373.17, 291,694.97 and 115,880.54
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Solution
The fourth proportional to 211,373.17, 291,694.97 and 115,880.54 is: 159,915.14
Step by Step Solution
- Step 1: Write the proportion equation
211,373.17 : 291,694.97 = 115,880.54 : x - Step 2: Convert to fraction form
211,373.17/291,694.97 = 115,880.54/x - Step 3: Cross multiply
211,373.17x = 291,694.97 × 115,880.54 - Step 4: Simplify right side
211,373.17x = 33,801,769,470.11 - Step 5: Solve for x
x = 33,801,769,470.11/211,373.17 - Step 6: Final answer
x = 159,915.14
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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.