Finding the Fourth Proportional to 115,373.49, 159,287.49 and 88,464.30
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Solution
The fourth proportional to 115,373.49, 159,287.49 and 88,464.30 is: 122,136.00
Step by Step Solution
- Step 1: Write the proportion equation
115,373.49 : 159,287.49 = 88,464.30 : x - Step 2: Convert to fraction form
115,373.49/159,287.49 = 88,464.30/x - Step 3: Cross multiply
115,373.49x = 159,287.49 × 88,464.30 - Step 4: Simplify right side
115,373.49x = 14,091,256,301.61 - Step 5: Solve for x
x = 14,091,256,301.61/115,373.49 - Step 6: Final answer
x = 122,136.00
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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.