Finding the Fourth Proportional to 236,754.09, 326,708.64 and 129,303.54
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Solution
The fourth proportional to 236,754.09, 326,708.64 and 129,303.54 is: 178,432.33
Step by Step Solution
- Step 1: Write the proportion equation
236,754.09 : 326,708.64 = 129,303.54 : x - Step 2: Convert to fraction form
236,754.09/326,708.64 = 129,303.54/x - Step 3: Cross multiply
236,754.09x = 326,708.64 × 129,303.54 - Step 4: Simplify right side
236,754.09x = 42,244,583,700.59 - Step 5: Solve for x
x = 42,244,583,700.59/236,754.09 - Step 6: Final answer
x = 178,432.33
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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.