Finding the Fourth Proportional to 432,231.14, 647,903.28 and 165,919.94
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Solution
The fourth proportional to 432,231.14, 647,903.28 and 165,919.94 is: 248,709.69
Step by Step Solution
- Step 1: Write the proportion equation
432,231.14 : 647,903.28 = 165,919.94 : x - Step 2: Convert to fraction form
432,231.14/647,903.28 = 165,919.94/x - Step 3: Cross multiply
432,231.14x = 647,903.28 × 165,919.94 - Step 4: Simplify right side
432,231.14x = 107,500,073,343.40 - Step 5: Solve for x
x = 107,500,073,343.40/432,231.14 - Step 6: Final answer
x = 248,709.69
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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.