Finding the Fourth Proportional to 238,592.13, 329,257.35 and 131,163.99
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Solution
The fourth proportional to 238,592.13, 329,257.35 and 131,163.99 is: 181,006.42
Step by Step Solution
- Step 1: Write the proportion equation
238,592.13 : 329,257.35 = 131,163.99 : x - Step 2: Convert to fraction form
238,592.13/329,257.35 = 131,163.99/x - Step 3: Cross multiply
238,592.13x = 329,257.35 × 131,163.99 - Step 4: Simplify right side
238,592.13x = 43,186,707,762.83 - Step 5: Solve for x
x = 43,186,707,762.83/238,592.13 - Step 6: Final answer
x = 181,006.42
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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.