Finding the Fourth Proportional to 170,989.11, 235,977.18 and 94,506.56
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Solution
The fourth proportional to 170,989.11, 235,977.18 and 94,506.56 is: 130,425.80
Step by Step Solution
- Step 1: Write the proportion equation
170,989.11 : 235,977.18 = 94,506.56 : x - Step 2: Convert to fraction form
170,989.11/235,977.18 = 94,506.56/x - Step 3: Cross multiply
170,989.11x = 235,977.18 × 94,506.56 - Step 4: Simplify right side
170,989.11x = 22,301,391,520.30 - Step 5: Solve for x
x = 22,301,391,520.30/170,989.11 - Step 6: Final answer
x = 130,425.80
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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.