Finding the Fourth Proportional to 236,754.22, 326,708.81 and 129,303.67
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Solution
The fourth proportional to 236,754.22, 326,708.81 and 129,303.67 is: 178,432.50
Step by Step Solution
- Step 1: Write the proportion equation
236,754.22 : 326,708.81 = 129,303.67 : x - Step 2: Convert to fraction form
236,754.22/326,708.81 = 129,303.67/x - Step 3: Cross multiply
236,754.22x = 326,708.81 × 129,303.67 - Step 4: Simplify right side
236,754.22x = 42,244,646,844.05 - Step 5: Solve for x
x = 42,244,646,844.05/236,754.22 - Step 6: Final answer
x = 178,432.50
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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.