Finding the Fourth Proportional to 156,669.08, 235,003.62 and 45,861.08
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Solution
The fourth proportional to 156,669.08, 235,003.62 and 45,861.08 is: 68,791.62
Step by Step Solution
- Step 1: Write the proportion equation
156,669.08 : 235,003.62 = 45,861.08 : x - Step 2: Convert to fraction form
156,669.08/235,003.62 = 45,861.08/x - Step 3: Cross multiply
156,669.08x = 235,003.62 × 45,861.08 - Step 4: Simplify right side
156,669.08x = 10,777,519,817.11 - Step 5: Solve for x
x = 10,777,519,817.11/156,669.08 - Step 6: Final answer
x = 68,791.62
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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.