Finding the Fourth Proportional to 341,489.80, 512,234.70 and 164,081.80
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Solution
The fourth proportional to 341,489.80, 512,234.70 and 164,081.80 is: 246,122.70
Step by Step Solution
- Step 1: Write the proportion equation
341,489.80 : 512,234.70 = 164,081.80 : x - Step 2: Convert to fraction form
341,489.80/512,234.70 = 164,081.80/x - Step 3: Cross multiply
341,489.80x = 512,234.70 × 164,081.80 - Step 4: Simplify right side
341,489.80x = 84,048,391,598.46 - Step 5: Solve for x
x = 84,048,391,598.46/341,489.80 - Step 6: Final answer
x = 246,122.70
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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.