Finding the Fourth Proportional to 459,419.99, 689,162.79 and 122,458.88
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Solution
The fourth proportional to 459,419.99, 689,162.79 and 122,458.88 is: 183,697.06
Step by Step Solution
- Step 1: Write the proportion equation
459,419.99 : 689,162.79 = 122,458.88 : x - Step 2: Convert to fraction form
459,419.99/689,162.79 = 122,458.88/x - Step 3: Cross multiply
459,419.99x = 689,162.79 × 122,458.88 - Step 4: Simplify right side
459,419.99x = 84,394,103,401.08 - Step 5: Solve for x
x = 84,394,103,401.08/459,419.99 - Step 6: Final answer
x = 183,697.06
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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.