Finding the Fourth Proportional to 255,819.76, 353,128.17 and 201,230.62
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Solution
The fourth proportional to 255,819.76, 353,128.17 and 201,230.62 is: 277,774.48
Step by Step Solution
- Step 1: Write the proportion equation
255,819.76 : 353,128.17 = 201,230.62 : x - Step 2: Convert to fraction form
255,819.76/353,128.17 = 201,230.62/x - Step 3: Cross multiply
255,819.76x = 353,128.17 × 201,230.62 - Step 4: Simplify right side
255,819.76x = 71,060,200,460.36 - Step 5: Solve for x
x = 71,060,200,460.36/255,819.76 - Step 6: Final answer
x = 277,774.48
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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.