Finding the Fourth Proportional to 202,695.36, 279,819.36 and 127,285.44
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Solution
The fourth proportional to 202,695.36, 279,819.36 and 127,285.44 is: 175,716.55
Step by Step Solution
- Step 1: Write the proportion equation
202,695.36 : 279,819.36 = 127,285.44 : x - Step 2: Convert to fraction form
202,695.36/279,819.36 = 127,285.44/x - Step 3: Cross multiply
202,695.36x = 279,819.36 × 127,285.44 - Step 4: Simplify right side
202,695.36x = 35,616,930,358.12 - Step 5: Solve for x
x = 35,616,930,358.12/202,695.36 - Step 6: Final answer
x = 175,716.55
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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.