Finding the Fourth Proportional to 323,997.74, 447,115.64 and 180,757.88
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Solution
The fourth proportional to 323,997.74, 447,115.64 and 180,757.88 is: 249,445.18
Step by Step Solution
- Step 1: Write the proportion equation
323,997.74 : 447,115.64 = 180,757.88 : x - Step 2: Convert to fraction form
323,997.74/447,115.64 = 180,757.88/x - Step 3: Cross multiply
323,997.74x = 447,115.64 × 180,757.88 - Step 4: Simplify right side
323,997.74x = 80,819,675,201.24 - Step 5: Solve for x
x = 80,819,675,201.24/323,997.74 - Step 6: Final answer
x = 249,445.18
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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.