Finding the Fourth Proportional to 262,241.12, 361,892.24 and 143,009.12
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Solution
The fourth proportional to 262,241.12, 361,892.24 and 143,009.12 is: 197,352.31
Step by Step Solution
- Step 1: Write the proportion equation
262,241.12 : 361,892.24 = 143,009.12 : x - Step 2: Convert to fraction form
262,241.12/361,892.24 = 143,009.12/x - Step 3: Cross multiply
262,241.12x = 361,892.24 × 143,009.12 - Step 4: Simplify right side
262,241.12x = 51,753,890,777.23 - Step 5: Solve for x
x = 51,753,890,777.23/262,241.12 - Step 6: Final answer
x = 197,352.31
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1.5x scale
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.