Finding the Fourth Proportional to 512,819.11, 768,614.26 and 238,896.17
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Solution
The fourth proportional to 512,819.11, 768,614.26 and 238,896.17 is: 358,058.03
Step by Step Solution
- Step 1: Write the proportion equation
512,819.11 : 768,614.26 = 238,896.17 : x - Step 2: Convert to fraction form
512,819.11/768,614.26 = 238,896.17/x - Step 3: Cross multiply
512,819.11x = 768,614.26 × 238,896.17 - Step 4: Simplify right side
512,819.11x = 183,619,000,022.03 - Step 5: Solve for x
x = 183,619,000,022.03/512,819.11 - Step 6: Final answer
x = 358,058.03
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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.