Finding the Fourth Proportional to 239,814.89, 330,944.60 and 132,384.99
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Solution
The fourth proportional to 239,814.89, 330,944.60 and 132,384.99 is: 182,691.32
Step by Step Solution
- Step 1: Write the proportion equation
239,814.89 : 330,944.60 = 132,384.99 : x - Step 2: Convert to fraction form
239,814.89/330,944.60 = 132,384.99/x - Step 3: Cross multiply
239,814.89x = 330,944.60 × 132,384.99 - Step 4: Simplify right side
239,814.89x = 43,812,096,899.63 - Step 5: Solve for x
x = 43,812,096,899.63/239,814.89 - Step 6: Final answer
x = 182,691.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.