Finding the Fourth Proportional to 262,539.41, 393,961.86 and 110,727.05
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Solution
The fourth proportional to 262,539.41, 393,961.86 and 110,727.05 is: 166,154.99
Step by Step Solution
- Step 1: Write the proportion equation
262,539.41 : 393,961.86 = 110,727.05 : x - Step 2: Convert to fraction form
262,539.41/393,961.86 = 110,727.05/x - Step 3: Cross multiply
262,539.41x = 393,961.86 × 110,727.05 - Step 4: Simplify right side
262,539.41x = 43,622,232,600.50 - Step 5: Solve for x
x = 43,622,232,600.50/262,539.41 - Step 6: Final answer
x = 166,154.99
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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.