Finding the Fourth Proportional to 230,954.58, 318,647.67 and 134,139.77
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Solution
The fourth proportional to 230,954.58, 318,647.67 and 134,139.77 is: 185,072.42
Step by Step Solution
- Step 1: Write the proportion equation
230,954.58 : 318,647.67 = 134,139.77 : x - Step 2: Convert to fraction form
230,954.58/318,647.67 = 134,139.77/x - Step 3: Cross multiply
230,954.58x = 318,647.67 × 134,139.77 - Step 4: Simplify right side
230,954.58x = 42,743,323,571.60 - Step 5: Solve for x
x = 42,743,323,571.60/230,954.58 - Step 6: Final answer
x = 185,072.42
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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.