Finding the Fourth Proportional to 193,245.18, 289,969.11 and 140,373.96
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Solution
The fourth proportional to 193,245.18, 289,969.11 and 140,373.96 is: 210,634.55
Step by Step Solution
- Step 1: Write the proportion equation
193,245.18 : 289,969.11 = 140,373.96 : x - Step 2: Convert to fraction form
193,245.18/289,969.11 = 140,373.96/x - Step 3: Cross multiply
193,245.18x = 289,969.11 × 140,373.96 - Step 4: Simplify right side
193,245.18x = 40,704,112,248.38 - Step 5: Solve for x
x = 40,704,112,248.38/193,245.18 - Step 6: Final answer
x = 210,634.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.