Finding the Fourth Proportional to 162,393.21, 243,311.18 and 145,958.31
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Solution
The fourth proportional to 162,393.21, 243,311.18 and 145,958.31 is: 218,687.02
Step by Step Solution
- Step 1: Write the proportion equation
162,393.21 : 243,311.18 = 145,958.31 : x - Step 2: Convert to fraction form
162,393.21/243,311.18 = 145,958.31/x - Step 3: Cross multiply
162,393.21x = 243,311.18 × 145,958.31 - Step 4: Simplify right side
162,393.21x = 35,513,287,907.11 - Step 5: Solve for x
x = 35,513,287,907.11/162,393.21 - Step 6: Final answer
x = 218,687.02
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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.