Finding the Fourth Proportional to 239,694.99, 330,654.52 and 194,424.09
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Solution
The fourth proportional to 239,694.99, 330,654.52 and 194,424.09 is: 268,204.20
Step by Step Solution
- Step 1: Write the proportion equation
239,694.99 : 330,654.52 = 194,424.09 : x - Step 2: Convert to fraction form
239,694.99/330,654.52 = 194,424.09/x - Step 3: Cross multiply
239,694.99x = 330,654.52 × 194,424.09 - Step 4: Simplify right side
239,694.99x = 64,287,204,155.39 - Step 5: Solve for x
x = 64,287,204,155.39/239,694.99 - Step 6: Final answer
x = 268,204.20
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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.