Finding the Fourth Proportional to 440,964.36, 661,557.50 and 125,421.32
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Solution
The fourth proportional to 440,964.36, 661,557.50 and 125,421.32 is: 188,163.54
Step by Step Solution
- Step 1: Write the proportion equation
440,964.36 : 661,557.50 = 125,421.32 : x - Step 2: Convert to fraction form
440,964.36/661,557.50 = 125,421.32/x - Step 3: Cross multiply
440,964.36x = 661,557.50 × 125,421.32 - Step 4: Simplify right side
440,964.36x = 82,973,414,905.90 - Step 5: Solve for x
x = 82,973,414,905.90/440,964.36 - Step 6: Final answer
x = 188,163.54
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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.