Finding the Fourth Proportional to 156,958.04, 235,431.84 and 68,211.63
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Solution
The fourth proportional to 156,958.04, 235,431.84 and 68,211.63 is: 102,315.18
Step by Step Solution
- Step 1: Write the proportion equation
156,958.04 : 235,431.84 = 68,211.63 : x - Step 2: Convert to fraction form
156,958.04/235,431.84 = 68,211.63/x - Step 3: Cross multiply
156,958.04x = 235,431.84 × 68,211.63 - Step 4: Simplify right side
156,958.04x = 16,059,189,560.30 - Step 5: Solve for x
x = 16,059,189,560.30/156,958.04 - Step 6: Final answer
x = 102,315.18
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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.