Finding the Fourth Proportional to 443,277.12, 664,929.12 and 143,749.44
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Solution
The fourth proportional to 443,277.12, 664,929.12 and 143,749.44 is: 215,628.52
Step by Step Solution
- Step 1: Write the proportion equation
443,277.12 : 664,929.12 = 143,749.44 : x - Step 2: Convert to fraction form
443,277.12/664,929.12 = 143,749.44/x - Step 3: Cross multiply
443,277.12x = 664,929.12 × 143,749.44 - Step 4: Simplify right side
443,277.12x = 95,583,188,639.69 - Step 5: Solve for x
x = 95,583,188,639.69/443,277.12 - Step 6: Final answer
x = 215,628.52
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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.