Finding the Fourth Proportional to 399,651.08, 599,462.68 and 100,134.20
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Solution
The fourth proportional to 399,651.08, 599,462.68 and 100,134.20 is: 150,197.81
Step by Step Solution
- Step 1: Write the proportion equation
399,651.08 : 599,462.68 = 100,134.20 : x - Step 2: Convert to fraction form
399,651.08/599,462.68 = 100,134.20/x - Step 3: Cross multiply
399,651.08x = 599,462.68 × 100,134.20 - Step 4: Simplify right side
399,651.08x = 60,026,715,891.66 - Step 5: Solve for x
x = 60,026,715,891.66/399,651.08 - Step 6: Final answer
x = 150,197.81
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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.