Finding the Fourth Proportional to 459,311.00, 689,040.41 and 159,876.68
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Solution
The fourth proportional to 459,311.00, 689,040.41 and 159,876.68 is: 239,840.74
Step by Step Solution
- Step 1: Write the proportion equation
459,311.00 : 689,040.41 = 159,876.68 : x - Step 2: Convert to fraction form
459,311.00/689,040.41 = 159,876.68/x - Step 3: Cross multiply
459,311.00x = 689,040.41 × 159,876.68 - Step 4: Simplify right side
459,311.00x = 110,161,488,892.05 - Step 5: Solve for x
x = 110,161,488,892.05/459,311.00 - Step 6: Final answer
x = 239,840.74
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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.