Finding the Fourth Proportional to 238,711.14, 329,418.99 and 131,282.46
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Solution
The fourth proportional to 238,711.14, 329,418.99 and 131,282.46 is: 181,168.48
Step by Step Solution
- Step 1: Write the proportion equation
238,711.14 : 329,418.99 = 131,282.46 : x - Step 2: Convert to fraction form
238,711.14/329,418.99 = 131,282.46/x - Step 3: Cross multiply
238,711.14x = 329,418.99 × 131,282.46 - Step 4: Simplify right side
238,711.14x = 43,246,935,377.92 - Step 5: Solve for x
x = 43,246,935,377.92/238,711.14 - Step 6: Final answer
x = 181,168.48
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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.