Finding the Fourth Proportional to 236,905.03, 326,928.97 and 129,475.03
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Solution
The fourth proportional to 236,905.03, 326,928.97 and 129,475.03 is: 178,675.56
Step by Step Solution
- Step 1: Write the proportion equation
236,905.03 : 326,928.97 = 129,475.03 : x - Step 2: Convert to fraction form
236,905.03/326,928.97 = 129,475.03/x - Step 3: Cross multiply
236,905.03x = 326,928.97 × 129,475.03 - Step 4: Simplify right side
236,905.03x = 42,329,137,874.93 - Step 5: Solve for x
x = 42,329,137,874.93/236,905.03 - Step 6: Final answer
x = 178,675.56
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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.