Finding the Fourth Proportional to 262,409.28, 393,805.08 and 104,682.84
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Solution
The fourth proportional to 262,409.28, 393,805.08 and 104,682.84 is: 157,100.52
Step by Step Solution
- Step 1: Write the proportion equation
262,409.28 : 393,805.08 = 104,682.84 : x - Step 2: Convert to fraction form
262,409.28/393,805.08 = 104,682.84/x - Step 3: Cross multiply
262,409.28x = 393,805.08 × 104,682.84 - Step 4: Simplify right side
262,409.28x = 41,224,634,180.83 - Step 5: Solve for x
x = 41,224,634,180.83/262,409.28 - Step 6: Final answer
x = 157,100.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.