Finding the Fourth Proportional to 156,120.21, 234,195.01 and 43,799.99
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Solution
The fourth proportional to 156,120.21, 234,195.01 and 43,799.99 is: 65,704.11
Step by Step Solution
- Step 1: Write the proportion equation
156,120.21 : 234,195.01 = 43,799.99 : x - Step 2: Convert to fraction form
156,120.21/234,195.01 = 43,799.99/x - Step 3: Cross multiply
156,120.21x = 234,195.01 × 43,799.99 - Step 4: Simplify right side
156,120.21x = 10,257,739,379.30 - Step 5: Solve for x
x = 10,257,739,379.30/156,120.21 - Step 6: Final answer
x = 65,704.11
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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.