Finding the Fourth Proportional to 353,791.36, 530,691.65 and 101,080.09
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Solution
The fourth proportional to 353,791.36, 530,691.65 and 101,080.09 is: 151,621.45
Step by Step Solution
- Step 1: Write the proportion equation
353,791.36 : 530,691.65 = 101,080.09 : x - Step 2: Convert to fraction form
353,791.36/530,691.65 = 101,080.09/x - Step 3: Cross multiply
353,791.36x = 530,691.65 × 101,080.09 - Step 4: Simplify right side
353,791.36x = 53,642,357,912.12 - Step 5: Solve for x
x = 53,642,357,912.12/353,791.36 - Step 6: Final answer
x = 151,621.45
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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.