Finding the Fourth Proportional to 238,625.76, 329,303.70 and 131,197.62
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Solution
The fourth proportional to 238,625.76, 329,303.70 and 131,197.62 is: 181,052.80
Step by Step Solution
- Step 1: Write the proportion equation
238,625.76 : 329,303.70 = 131,197.62 : x - Step 2: Convert to fraction form
238,625.76/329,303.70 = 131,197.62/x - Step 3: Cross multiply
238,625.76x = 329,303.70 × 131,197.62 - Step 4: Simplify right side
238,625.76x = 43,203,861,697.19 - Step 5: Solve for x
x = 43,203,861,697.19/238,625.76 - Step 6: Final answer
x = 181,052.80
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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.