Finding the Fourth Proportional to 489,011.05, 733,437.87 and 133,942.03
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Solution
The fourth proportional to 489,011.05, 733,437.87 and 133,942.03 is: 200,891.49
Step by Step Solution
- Step 1: Write the proportion equation
489,011.05 : 733,437.87 = 133,942.03 : x - Step 2: Convert to fraction form
489,011.05/733,437.87 = 133,942.03/x - Step 3: Cross multiply
489,011.05x = 733,437.87 × 133,942.03 - Step 4: Simplify right side
489,011.05x = 98,238,157,186.68 - Step 5: Solve for x
x = 98,238,157,186.68/489,011.05 - Step 6: Final answer
x = 200,891.49
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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.