Finding the Fourth Proportional to 230,996.58, 318,771.92 and 129,023.49
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Solution
The fourth proportional to 230,996.58, 318,771.92 and 129,023.49 is: 178,050.54
Step by Step Solution
- Step 1: Write the proportion equation
230,996.58 : 318,771.92 = 129,023.49 : x - Step 2: Convert to fraction form
230,996.58/318,771.92 = 129,023.49/x - Step 3: Cross multiply
230,996.58x = 318,771.92 × 129,023.49 - Step 4: Simplify right side
230,996.58x = 41,129,065,632.40 - Step 5: Solve for x
x = 41,129,065,632.40/230,996.58 - Step 6: Final answer
x = 178,050.54
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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.