Finding the Fourth Proportional to 144,998.01, 217,656.12 and 115,203.72
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Solution
The fourth proportional to 144,998.01, 217,656.12 and 115,203.72 is: 172,931.99
Step by Step Solution
- Step 1: Write the proportion equation
144,998.01 : 217,656.12 = 115,203.72 : x - Step 2: Convert to fraction form
144,998.01/217,656.12 = 115,203.72/x - Step 3: Cross multiply
144,998.01x = 217,656.12 × 115,203.72 - Step 4: Simplify right side
144,998.01x = 25,074,794,704.77 - Step 5: Solve for x
x = 25,074,794,704.77/144,998.01 - Step 6: Final answer
x = 172,931.99
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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.